Plant Encyclopedia A–Z
Browse 4,094 plant species from A to Z — common and scientific names, care basics, light and water needs, toxicity notes, and a photo for every plant. Use the filters below to find houseplants, flowers, succulents, trees, herbs, ferns, and more.
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All plants A to Z
Full directory of every plant in our encyclopedia. Tap a name to jump straight to its care guide.
A
- abelia(Abelia 'Edward Goucher')
- abelia(Abelia 'Rose Creek')
- Abyssinian banana(Ensete ventricosum)
- acaena(Acaena inermis 'Purpurea')
- Adriatic bellflower(Campanula garganica 'Dickson's Gold')
- African daisy(Arctotis hybrida)
- African fern pine(Afrocarpus gracilior)
- African lily(Agapanthus africanus)
- agave(Agave geminiflora RASTA MAN)
- ajania(Ajania pacifica)
- Aka Shigitatsu Sawa Japanese Maple(Acer palmatum 'Aka Shigitatsu Sawa')
- Akane Apple(Malus 'Akane')
- akee(Blighia sapida)
- alabama croton(Croton alabamensis)
- alangium(Alangium platanifolium)
- alangium(Alangium platanifolium var. macrophyllum)
- alder(Alnus mayrii)
- alder-leaved serviceberry(Amelanchier alnifolia 'Regent')
- Alexandrina Saucer Magnolia(Magnolia x soulangeana 'Alexandrina')
- Allegheny serviceberry(Amelanchier laevis)
- allium(Allium kunthianum)
- alluaudia(Alluaudia dumosa)
- alluaudia(Alluaudia humbertii)
- aloe(Aloe harlana)
- aloe(Aloe rauhii)
- aloe(Aloe suzannae)
- aloe(Aloe vera)
- Alpenweiss Variegated Dwarf Japanese Maple*(Acer palmatum 'Alpenweiss')
- Alpine Fir(Abies lasiocarpa)
- Alps yarrow(Achillea distans)
- alternate-leaved butterfly bush(Buddleja alternifolia)
- alyssum(Alyssum propinquum)
- Amazon lily(Eucharis amazonica)
- Amazonian elephant's ear(Alocasia amazonica 'Polly')
- Ambrosia Apple(Malus 'Ambrosia')
- American beakgrain(Diarrhena americana)
- American beakgrain(Diarrhena obovata)
- American beech(Fagus grandifolia)
- American bittersweet(Celastrus scandens)
- American boneset(Eupatorium perfoliatum 'Milk and Cookies')
- American century plant(Agave americana)
- American chestnut(Castanea dentata)
- American hazelnut(Corylus americana)
- American hornbeam(Carpinus caroliniana)
- American spikenard(Aralia racemosa)
- Amur Maple(Acer ginnala)
- Amur maple(Acer tataricum subsp. ginnala 'Mandy' RED RHAPSODY)
- amur peppervine(Ampelopsis brevipedunculata)
- angel wings(Caladium bicolor)
- angel's fishing rods(Dierama pendulum)
- angel's trumpet(Brugmansia candida)
- angelonia(Angelonia angustifolia)
- angelonia(Angelonia angustifolia SERENA MIXTURE)
- angelwing begonia(Begonia 'Sinbad')
- angelwing begonia(Begonia 'Sophia')
- Angel’s fishing rod(Dierama igneum)
- anise hyssop(Agastache foeniculum)
- anomatheca(Anomatheca laxa)
- anthurium(Anthurium andraeanum)
- anthurium(Anthurium crassinervium)
- Ao Shime No Uchi Japanese Maple(Acer palmatum 'Ao Shime No Uchi')
- Aoyagi Japanese Maple*(Acer palmatum 'Aoyagi')
- Appalachian Red Redbud(Cercis canadensis 'Appalachian Red')
- apple serviceberry(Amelanchier grandiflora 'Autumn Brilliance')
- apple serviceberry(Amelanchier grandiflora 'Princess Diana')
- Arabian coffee(Coffea arabica)
- arachnoides(Arachniodes simplicior 'Variegata')
- Arakawa Cork Bark Japanese Maple(Acer palmatum 'Arakawa')
- aralia(Eleutherococcus sieboldianus 'Variegatus')
- Arbequina European Olive(Olea europaea 'Arbequina')
- Argan tree(Argania spinosa)
- argyle-apple(Eucalyptus cinerea)
- arisaema(Arisaema engleri)
- arisaema(Arisaema kiushianum)
- arisaema(Arisaema serratum)
- arisaema(Arisaema ternatipartitum)
- arisaema(Arisaema thunbergii)
- arisaema(Arisaema thunbergii subsp. urashima)
- aristea(Aristea platycaulis)
- Arizona beggarstick(Bidens aurea)
- Armstrong Maple(Acer x freemanii 'Armstrong')
- Arnold Tuliptree(Liriodendron tulipifera 'Arnold')
- artichoke(Cynara cardunculus (Scolymus Group))
- arugula(Eruca versicaria subsp. sativa)
- aruncus(Aruncus 'Horatio')
- aruncus(Aruncus 'Misty Lace')
- Asahi Zuru Japanese Maple(Acer palmatum 'Asahi Zuru')
- Asian black birch(Betula dahurica)
- Asian greens(Brassica rapa (Asian Greens Group))
- asparagus(Asparagus officinalis)
- asparagus(Asparagus officinalis 'Jersey Knight')
- asparagus(Asparagus officinalis 'Mary Washington')
- asparagus fern(Asparagus densiflorus 'Myersii')
- asparagus fern(Asparagus densiflorus 'Sprengeri')
- asparagus fern(Asparagus setaceus)
- aster(Aster frikartii 'Flora's Delight')
- aster(Aster frikartii 'Jungfrau')
- aster(Aster frikartii 'Monch')
- aster(Aster frikartii 'Wunder von Stafa')
- aster(Aster 'Little Carlow')
- aster(Aster 'Wood's Pink')
- aster(Aster 'Wood's Purple')
- astericus(Asteriscus maritimus)
- astilbe(Astilbe 'Alive and Kicking')
- astilbe(Astilbe arendsii 'Amethyst')
- astilbe(Astilbe arendsii ASTARY PINK)
- astilbe(Astilbe arendsii 'Augustleuchten' AUGUST LIGHT)
- astilbe(Astilbe arendsii 'Fanal')
- astilbe(Astilbe arendsii 'Irrlicht')
- astilbe(Astilbe arendsii 'Rote Cattleya' RED CATTLEYA)
- astilbe(Astilbe arendsii 'Rotlicht' RED LIGHT)
- astilbe(Astilbe 'Burgunderrot' BURGUNDY RED)
- astilbe(Astilbe 'Darwin's Dream')
- astilbe(Astilbe 'Delft Lace')
- astilbe(Astilbe 'Deutschland')
- astilbe(Astilbe 'Erica')
- astilbe(Astilbe 'Federsee')
- astilbe(Astilbe 'Flamingo')
- astilbe(Astilbe 'Heart and Soul')
- astilbe(Astilbe japonica 'Montgomery')
- astilbe(Astilbe 'Professor Van der Wielen')
- astilbe(Astilbe 'Radius')
- astilbe(Astilbe 'Red Sentinel')
- astilbe(Astilbe 'Rheinland')
- astilbe(Astilbe rosea 'Peach Blossom')
- astilbe(Astilbe simplicifolia)
- astilbe(Astilbe 'Snowdrift')
- astilbe(Astilbe 'Sprite')
- astilbe(Astilbe 'Straussenfeder' OSTRICH PLUME)
- astilbe(Astilbe 'Verscarmine' YOUNIQUE CARMINE)
- astilboides(Astilboides tabularis)
- Attaryi Fullmoon Maple*(Acer japonicum 'Attaryi')
- Aureum Japanese Maple*(Acer palmatum 'Aureum')
- Aurora Flowering Dogwood(Cornus 'Rutban')
- Autumn Blaze Maple(Acer x freemanii 'Jeffersred')
- Autumn Brilliance Serviceberry(Amelanchier x grandiflora 'Autumn Brilliance')
- Autumn Brilliance Serviceberry(Amelanchier x grandiflora 'Autumn Brilliance (tree form)')
- autumn crocus(Colchicum autumnale)
- autumn crocus(Colchicum autumnale 'Pleniflorum')
- autumn crocus(Colchicum byzantinum)
- autumn crocus(Colchicum byzantinum 'Album')
- autumn crocus(Colchicum cilicicum)
- autumn crocus(Colchicum 'Disraeli')
- autumn crocus(Colchicum (group))
- autumn crocus(Colchicum tenorei)
- autumn crocus(Colchicum 'Violet Queen')
- autumn crocus(Colchicum 'Waterlily')
- Autumn Fire Japanese Maple(Acer palmatum 'Autumn Fire')
- Autumn Flame Red Maple(Acer rubrum 'Autumn Flame')
- Autumn Gold Ginkgo(Ginkgo biloba 'Autumn Gold')
- Autumn Moon Full Moon Maple(Acer shirasawanum 'Autumn Moon')
- autumn olive(Elaeagnus umbellata)
- azara(Azara microphylla)
- Azuma Murasaki Japanese Maple(Acer palmatum 'Azuma Murasaki')
- azure monkshood(Aconitum carmichaelii 'Arendsii')
- azure monkshood(Aconitum carmichaelii var. angustius)
- Arctic Harebell(Campanula uniflora)
- Allspice(Pimenta dioica)
- African Marigold(Tagetes erecta)
- African Feather Grass(Cenchrus macrourus)
- Artillery Plant(Pilea microphylla)
- Asian Bell Tree(Radermachera sinica)
- Alum Root(Heuchera americana)
- Arrowwood Viburnum(Viburnum dentatum)
- Arctic Daisy(Arctanthemum arcticum (syn. Chrysanthemum arcticum))
- Ashy Sunflower(Helianthus mollis)
- Alder Buckthorn(Frangula alnus)
- Amur Privet(Ligustrum amurense)
- Alpine Pussytoes(Antennaria alpina)
- Alaska Bellflower(Campanula alaskana)
- Appalachian Sedge(Carex appalachica)
- Alpine Betony(Betonica alpinum (syn. Stachys alpina))
- Arborvitae(Thuja occidentalis)
- American Arborvitae(Thuja occidentalis)
- American Elm(Ulmus americana)
- Apricot(Prunus armeniaca)
- American Snowbell(Styrax americanus)
- Arrow Bamboo(Pseudosasa japonica)
- Ant Tree(Triplaris americana)
- American Sycamore(Platanus occidentalis)
- Autumn Daffodil(Sternbergia lutea)
- Ashe Juniper(Juniperus ashei)
- Asian Mint(Mentha canadensis var. asiatica)
- Autumn Sage(Salvia greggii)
- Arctic Dwarf Birch(Betula nana)
- Adhesive Rehmannia(Rehmannia glutinosa)
- African Blood Lily(Scadoxus multiflorus)
- Alpine Mouse Ear Chickweed(Cerastium alpinum)
- American Hog Peanut(Amphicarpaea bracteata)
- Anise Scented Sage(Salvia guaranitica)
- Aspen(Populus tremuloides)
- Avens(Geum urbanum)
- Autumnal Water Starwort(Callitriche hermaphroditica)
- Avocado(Persea americana)
- Alcock's Spruce(Picea alcoquiana)
- Alaska Birch(Betula neoalaskana)
- Alpine Aster(Aster alpinus)
- Alpine Currant(Ribes alpinum)
- Alpine Dustymaiden(Chaenactis douglasii)
- American Linden(Tilia americana)
- American Cranberry(Vaccinium macrocarpon)
- Annual Honesty(Lunaria annua)
- Altai Mountain Tulip(Tulipa altaica)
- Arrowhead Plant(Syngonium podophyllum)
- Ash(Fraxinus excelsior)
- Arrowleaf Balsamroot(Balsamorhiza sagittata)
- Aluminum Plant(Pilea cadierei)
- Alpine Candytuft(Iberis sempervirens)
- Alpine Bearberry(Arctous alpina)
- American Black Elderberry(Sambucus canadensis)
- American Ginseng(Panax quinquefolius)
- Antelope Bitterbrush(Purshia tridentata)
- American Groundnut(Apios americana)
- Apple Mint(Mentha suaveolens)
- American Wisteria(Wisteria frutescens)
- Arctic Marsh Sedge(Carex aquatilis var. minor)
- Autumn Moor Grass(Sesleria autumnalis)
- Arctic Poppy(Papaver radicatum)
- Awl Fruited Sedge(Carex stipata)
- Arrowfeather Three Awn(Aristida purpurascens)
- Amaryllis(Hippeastrum spp.)
- Alaska Indian Paintbrush(Castilleja unalaschcensis)
- Alpine Pincushion(Leucospermum oleifolium)
- Alpine Milkvetch(Astragalus alpinus)
- American Beachgrass(Ammophila breviligulata)
- African Violet(Streptocarpus ionanthus (syn. Saintpaulia ionantha))
- American Elderberry(Sambucus canadensis)
- Annual Ragweed(Ambrosia artemisiifolia)
- Annual Agoseris(Agoseris heterophylla)
- Arabian Jasmine(Jasminum sambac)
- American Ipecac(Gillenia stipulata)
- Arctic Hare's Foot Sedge(Carex lachenalii)
- Atlas Broom(Cytisus battandieri)
- Aztec Lily(Sprekelia formosissima)
- Athabasca Thrift(Armeria maritima subsp. interior)
- Axilflower(Mecardonia procumbens)
- Alabama Snow Wreath(Neviusia alabamensis)
- Alpine Anemone(Anemone alpina)
- Alpine Bitter Cress(Cardamine bellidifolia)
- Alpine Chickweed(Cerastium alpinum)
- Amaranth(Amaranthus spp.)
- Amabilis Fir(Abies amabilis)
- Alpine Wormwood(Artemisia alpina)
- American Alpine Lady Fern(Athyrium americanum)
- Almond(Prunus dulcis)
- American Barrenwort(Epimedium americanum)
- American Bird's Foot Trefoil(Acmispon americanus)
- American Evergreen(Syngonium podophyllum)
- American Elder(Sambucus canadensis)
- American Golden Saxifrage(Chrysosplenium americanum)
- American Mountain Mint(Pycnanthemum virginianum)
- American Mountain Ash(Sorbus americana)
- American Agave(Agave americana)
- American Lotus(Nelumbo lutea)
- Amur Silvergrass(Miscanthus sacchariflorus)
- Amur Honeysuckle(Lonicera maackii)
- Annual Paintbrush(Castilleja indivisa)
- Appalachia False Bindweed(Calystegia spithamaea)
- Appalachian Black Eyed Susan(Rudbeckia hirta var. pulcherrima)
- Arrowhead Plant(Syngonium podophyllum)
- Armenian Oak(Quercus pontica)
- Ash Colored Speedwell(Veronica incana)
- Asian Wild Oats(Avena fatua subsp. fatua)
- Asiatic Lily(Lilium asiaticum hybrid)
- Austrian Pine(Pinus nigra subsp. nigra)
- Azalea(Rhododendron sect. Tsutsusi)
- Aromatic Aster(Symphyotrichum oblongifolium)
- American Feverfew(Parthenium integrifolium)
- Annual Sow Thistle(Sonchus oleraceus)
- American Germander(Teucrium canadense)
- American Cranberry Bush(Viburnum opulus var. americanum)
- Alpine Foxtail(Alopecurus alpinus)
- Alpine Sweetgrass(Anthoxanthum monticola)
- Autumn Stonecrop(Hylotelephium spectabile)
- American Bugleweed(Lycopus americanus)
- Arizona Cypress(Hesperocyparis arizonica (syn. Cupressus arizonica))
- Alaska Brome(Bromus sitchensis)
- Alpine Clematis(Clematis alpina)
- Apple(Malus domestica)
- Aleutian Chickweed(Stellaria aleutica)
- Acadian Saltbush(Atriplex glabriuscula)
- American Holly(Ilex opaca)
B
- bachelor's button(Centratherum punctatum 'Button Beauty')
- Balearic boxwood(Buxus balearica)
- Ballerina Serviceberry(Amelanchier x grandiflora 'Ballerina')
- balsam fir(Abies balsamea)
- balsam fir(Abies balsamea 'Jamy')
- balsam fir(Abies balsamea 'Nana')
- bamboo orchid(Arundina graminifolia)
- bamboo palm(Chamaedorea seifrizii)
- bamboo palm(Dypsis lutescens)
- baobab(Adansonia digitata)
- barberry(Berberis 'Cally Rose')
- barberry(Berberis mentorensis)
- barberry(Berberis 'Soft Caress')
- barberry(Berberis stenophylla 'Corallina Compacta')
- barrenwort(Epimedium perralchicum 'Frohnleiten')
- basket of gold(Aurinia saxatilis 'Dudley Nevill Variegated')
- basket of gold(Aurinia saxatilis 'Gold Dust')
- basket-of-gold(Aurinia saxatilis)
- bat-faced cuphea(Cuphea purpurea)
- Bay Laurel(Laurus nobilis)
- bear's breeches(Acanthus hungaricus)
- bear's breeches(Acanthus mollis)
- bear's breeches(Acanthus mollis 'Oak Leaf')
- bear's breeches(Acanthus mollis 'Tasmanian Angel')
- bear's breeches(Acanthus spinosus)
- bear's breeches(Acanthus 'Summer Beauty')
- bearberry(Arctostaphylos uva-ursi 'Wood's Red')
- beautyberry(Callicarpa americana)
- beautyberry(Callicarpa bodinieri)
- beautyberry(Callicarpa bodinieri var. giraldii 'Profusion')
- beautyberry(Callicarpa cathayana)
- beautyberry(Callicarpa dichotoma)
- beautyberry(Callicarpa dichotoma 'Early Amethyst')
- beautyberry(Callicarpa dichotoma f. albifructa)
- beautyberry(Callicarpa dichotoma 'Issai')
- beautyberry(Callicarpa dichotoma 'Shiji Murasaki' WINE SPRITZER)
- beautyberry(Callicarpa japonica 'Heavy Berry')
- beesia(Beesia deltophylla)
- beet(Beta vulgaris)
- beet(Beta vulgaris (Garden Beet Group) 'Bull's Blood')
- begonia(Begonia benariensis BIG SERIES)
- begonia(Begonia 'Bepared' DRAGON WING RED)
- begonia(Begonia boliviensis BOSSA NOVA RED)
- begonia(Begonia 'Canary Wing')
- begonia(Begonia 'Casper')
- begonia(Begonia 'Green Gold')
- begonia(Begonia 'Gryphon')
- begonia(Begonia 'Martha Stewart')
- begonia(Begonia 'Penny Lahn')
- begonia(Begonia 'River Nile')
- begonia(Begonia (Semperflorens Cultorum Group))
- begonia(Begonia semperflorens 'Senator Deep Rose')
- Belle de Boskoop Apple(Malus 'Belle de Boskoop')
- bellflower(Campanula bononiensis)
- bellflower(Campanula collina)
- bellflower(Campanula incurva)
- bellflower(Campanula 'Kent Belle')
- bellflower(Campanula latifolia)
- bellflower(Campanula 'Sarastro')
- bellflower(Campanula sarmatica)
- bellflower(Campanula 'Summertime Blues')
- bellflower(Campanula takesimana 'Elizabeth')
- Beni Kawa Coral Bark Japanese Maple*(Acer palmatum 'Beni Kawa')
- Beni Otake Japanese Maple(Acer palmatum 'Beni Otake')
- Beni Schichihenge Japanese Maple(Acer palmatum 'Beni Schichihenge')
- Beni Tsukasa Japanese Maple*(Acer palmatum 'Beni Tsukasa')
- bergenia(Bergenia 'Abendglocken')
- bergenia(Bergenia DRAGONFLY ANGEL KISS)
- bergenia(Bergenia DRAGONFLY SAKURA)
- bergenia(Bergenia 'Silberlicht' SILVERLIGHT)
- Berkeley sedge(Carex tumulicola)
- Bermuda grass(Cynodon dactylon 'Sundevil')
- Bermuda grass(Cynodon dactylon 'Yukon')
- big blue stem(Andropogon gerardii)
- big blue stem(Andropogon gerardii 'Blackhawks')
- big blue stem(Andropogon gerardii 'Dancing Wind')
- big blue stem(Andropogon gerardii 'Red October')
- Big Leaf Maple(Acer macrophyllum)
- bighead knapweed(Centaurea macrocephala)
- bigtooth maple(Acer saccharum subsp. grandidentatum)
- bindweed(Convolvulus tricolor)
- birch(Betula 'Royal Frost')
- bird's nest fern(Asplenium nidus 'Antiquum')
- birthwort(Aristolochia clematitis)
- birthwort(Aristolochia leuconeura)
- birthwort(Aristolochia manshuriensis)
- bishop's hat(Astrophytum myriostigma)
- bishop's hat(Epimedium acuminatum)
- bishop's hat(Epimedium alpinum)
- bishop's hat(Epimedium brachyrrhizum)
- bishop's hat(Epimedium brevicornu)
- bishop's hat(Epimedium cantabrigiense)
- bishop's hat(Epimedium diphyllum)
- bishop's hat(Epimedium franchetii)
- bishop's hat(Epimedium grandiflorum)
- bishop's hat(Epimedium grandiflorum 'Lilafee')
- bishop's hat(Epimedium grandiflorum 'Pierre's Purple')
- bishop's hat(Epimedium ilicifolium)
- bishop's hat(Epimedium latisepalum)
- bishop's hat(Epimedium leptorrhizum)
- bishop's hat(Epimedium lishihchenii)
- bishop's hat(Epimedium perralderianum)
- bishop's hat(Epimedium pinnatum)
- bishop's hat(Epimedium pinnatum subsp. colchicum)
- bishop's hat(Epimedium pubescens)
- bishop's hat(Epimedium pubigerum)
- bishop's hat(Epimedium rubrum)
- bishop's hat(Epimedium sempervirens)
- bishop's hat(Epimedium 'Tama-no-genpei')
- bishop's hat(Epimedium versicolor 'Discolor')
- bishop's hat(Epimedium versicolor 'Sulphureum')
- bishop's hat(Epimedium warleyense)
- bishop's hat(Epimedium youngianum)
- bishop's hat(Epimedium youngianum 'Niveum')
- bishop's weed(Aegopodium podagraria 'Variegatum')
- Bismarck palm(Bismarckia nobilis)
- bitter cress(Cardamine pratensis)
- bitternut hickory(Carya cordiformis)
- black cat claw(Acacia redolens)
- black chokeberry(Aronia melanocarpa)
- black chokeberry(Aronia melanocarpa 'Autumn Magic')
- black chokeberry(Aronia melanocarpa 'Estland')
- black chokeberry(Aronia melanocarpa 'Morton' IROQUOIS BEAUTY)
- black chokeberry(Aronia melanocarpa 'Professor Ed')
- black chokeberry(Aronia melanocarpa 'Ground Hug')
- black chokeberry(Aronia melanocarpa 'UCONNAM165' LOW SCAPE MOUND)
- black chokeberry(Aronia melanocarpa var. elata)
- black chokeberry(Aronia melanocarpa 'Viking')
- Black Cloud Mirror Bush(Coprosma 'Black Cloud')
- black cohosh(Actaea racemosa)
- Black Gum(Nyssa sylvatica)
- black hawthorn(Crataegus douglasii)
- black sedge(Carex nigra)
- black sedge(Carex nigra 'Variegata')
- black wattle(Callicoma serratifolia)
- bladder senna(Colutea media)
- bleeding heart(Clerodendrum thomsoniae)
- bleeding heart(Dicentra 'Bacchanal')
- bleeding heart(Dicentra 'Burning Hearts')
- bleeding heart(Dicentra eximia)
- bleeding heart(Dicentra 'Ivory Hearts')
- bleeding heart(Dicentra 'King of Hearts')
- bleeding heart(Dicentra 'Love Hearts')
- bleeding heart(Dicentra 'Luxuriant')
- bleeding heart(Dicentra 'Red Fountain')
- blood flower(Asclepias curassavica)
- blood orange(Citrus sinensis 'Moro')
- Bloodgood Japanese Maple(Acer palmatum 'Bloodgood')
- bloodtwig dogwood(Cornus sanguinea)
- bloodtwig dogwood(Cornus sanguinea 'Compressa')
- bloodtwig dogwood(Cornus sanguinea 'Winter Beauty')
- Blue Atlas Cedar(Cedrus atlantica 'Glauca')
- blue atlas cedar(Cedrus atlantica (Glauca Group))
- blue atlas cedar(Cedrus atlantica (Glauca Group) 'Glauca Pendula')
- blue bugloss(Anchusa azurea)
- blue bugloss(Anchusa azurea 'Dropmore')
- blue bugloss(Anchusa azurea 'Loddon Royalist')
- Blue Chip Juniper (tree form)(Juniperus horizontalis 'Blue Chip (tree form)')
- blue daisy(Felicia amelloides)
- blue false indigo(Baptisia australis)
- blue false indigo(Baptisia australis var. minor)
- blue fescue(Festuca glauca)
- blue fescue(Festuca glauca 'Boulder Blue')
- blue fescue(Festuca glauca 'Casca11' BEYOND BLUE)
- blue fescue(Festuca glauca 'Elijah Blue')
- blue fescue(Festuca glauca 'Golden Toupee')
- blue fescue(Festuca glauca 'Seeigel' SEA URCHIN)
- blue ginger(Dichorisandra thyrsiflora)
- blue globe thistle(Echinops bannaticus 'Blue Glow')
- blue grama(Bouteloua gracilis)
- blue grama(Bouteloua gracilis 'Blonde Ambition')
- blue grama(Bouteloua gracilis 'Hachita')
- blue green sedge(Carex flacca)
- blue jasmine(Clematis crispa)
- blue mountain lilac(Ceanothus thyrsiflorus 'Skylark')
- Blue Nootka Cypress(Chamaecyparis nootkatensis 'Glauca')
- blue pimpernel(Anagallis monelli)
- blue sage(Eranthemum pulchellum)
- blue sedge(Carex flacca 'Blue Zinger')
- Blue Shadow Chinese Dogwood(Cornus kousa 'Blue Shadow')
- Blue Spanish Fir(Abies pinsapo 'Glauca')
- blue star(Amsonia 'Blue Ice')
- blue star(Amsonia ciliata)
- blue star(Amsonia ciliata 'Halfway to Arkansas')
- blue star(Amsonia ciliata var. filifolia)
- blue star(Amsonia ciliata var. filifolia 'Georgia Pancake')
- blue star(Amsonia hubrichtii)
- blue star(Amsonia 'Midway to Montana')
- blue star(Amsonia 'Seaford Skies')
- blue star(Amsonia 'Starstruck')
- blue star(Amsonia tabernaemontana)
- blue star(Amsonia tabernaemontana 'Montana')
- blue star(Amsonia tabernaemontana 'Storm Cloud')
- blue star(Amsonia tabernaemontana var. salicifolia)
- Blue Star Juniper(Juniperus squamata 'Blue Star (tree form)')
- blue waxweed(Cuphea viscosissima)
- blue wood sedge(Carex flaccosperma)
- blue-eyed Mary(Collinsia verna)
- bluebeard(Caryopteris clandonensis 'Arthur Simmonds')
- bluebeard(Caryopteris clandonensis 'Blauer Splatz' SAPPHIRE SURF)
- bluebeard(Caryopteris clandonensis 'Blue Mist')
- bluebeard(Caryopteris clandonensis 'Dark Knight')
- bluebeard(Caryopteris clandonensis 'Heavenly Blue')
- bluebeard(Caryopteris clandonensis 'Inoveris' GRAND BLEU)
- bluebeard(Caryopteris clandonensis 'Lissilv' STERLING SILVER)
- bluebeard(Caryopteris clandonensis 'Longwood Blue')
- bluebeard(Caryopteris clandonensis 'Summer Sorbet')
- bluebeard(Caryopteris clandonensis 'Worcester Gold')
- bluebeard(Caryopteris incana 'Blue Myth')
- bluebell(Campanula rotundifolia)
- bluebell(Campanula rotundifolia 'Olympica')
- bluestem(Andropogon capillipes 'Valdosta Blue')
- bog spurge(Euphorbia palustris)
- Bonfire Japanese Maple(Acer palmatum 'Bonfire')
- bonnet bellflower(Codonopsis lanceolata)
- borage(Borago officinalis)
- border carnation(Dianthus 'Pixie')
- border forsythia(Forsythia intermedia 'Arnold Giant')
- border forsythia(Forsythia intermedia 'Courdijau' GOLDEN PEEP)
- border forsythia(Forsythia intermedia 'Flojor' MINIGOLD)
- border forsythia(Forsythia intermedia 'Kolgold' MAGICAL GOLD)
- border forsythia(Forsythia intermedia 'Lynwood Variety')
- border forsythia(Forsythia intermedia 'Mindor' SHOW OFF)
- border forsythia(Forsythia intermedia 'Sunrise')
- border forsythia(Forsythia intermedia 'Variegata')
- bottlebrush buckeye(Aesculus parviflora)
- bottlebrush buckeye(Aesculus parviflora var. serotina)
- bottlebrush buckeye(Aesculus parviflora var. serotina 'Rogers')
- bottlebrush bush(Callistemon acuminatus)
- bottlebrush bush(Callistemon 'Woodlander's Hardy')
- bottlebrush grass(Elymus hystrix)
- Bowhall Red Maple(Acer rubrum 'Bowhall')
- Bowles' golden sedge(Carex elata 'Aurea')
- boxwood(Buxus 'Cranberry Creek')
- boxwood(Buxus 'Green Gem')
- boxwood(Buxus 'Green Mound')
- boxwood(Buxus 'Green Mountain')
- boxwood(Buxus 'Green Velvet')
- boxwood(Buxus microphylla)
- boxwood(Buxus microphylla 'Apple Green')
- boxwood(Buxus microphylla 'Compacta')
- boxwood(Buxus microphylla 'Curly Locks')
- boxwood(Buxus microphylla 'Green Pillow')
- boxwood(Buxus sempervirens 'Aurea Pendula')
- boxwood(Buxus sempervirens 'Chloe')
- boxwood(Buxus sempervirens 'Elegantissima')
- boxwood(Buxus sempervirens 'Fastigiata')
- boxwood(Buxus sempervirens 'Flora Place')
- boxwood(Buxus sempervirens 'Furore' Jade Pillar)
- boxwood(Buxus sempervirens 'Graham Blandy')
- boxwood(Buxus sempervirens 'Joy')
- boxwood(Buxus sempervirens 'Memorial')
- boxwood(Buxus sempervirens 'Myrtifolia')
- boxwood(Buxus sempervirens 'Natchez')
- boxwood(Buxus sempervirens 'Pullman')
- boxwood(Buxus sempervirens 'Rochester')
- boxwood(Buxus sempervirens 'Silver Beauty')
- boxwood(Buxus sempervirens 'Vardar Valley')
- boxwood(Buxus sempervirens 'Variegata')
- Bracken's Brown Beauty Magnolia(Magnolia grandiflora 'Bracken's Brown Beauty')
- Braeburn Apple(Malus 'Braeburn')
- Brandt's Dwarf Japanese Maple(Acer palmatum 'Brandt's Dwarf')
- Brazilian dwarf morning-glory(Evolvulus glomeratus)
- brazilian joyweed(Alternanthera brasiliana 'Purple Prince')
- breadfruit(Artocarpus altilis)
- bristle-leaved sedge(Carex eburnea)
- broad buckler fern(Dryopteris dilatata)
- broad buckler fern(Dryopteris dilatata 'Lepidota Cristata')
- broadwing sedge(Carex alata)
- broccoli(Brassica oleracea (Italica Group))
- broccoli raab(Brassica rapa (Ruva Group))
- brome-like sedge(Carex bromoides)
- brownea(Brownea coccinea subsp. capitella)
- brugmansia(Brugmansia 'Pink Perfume')
- Brussels sprouts(Brassica oleracea (Gemmifera Group))
- buckeye(Aesculus woerlitzensis)
- buckler fern(Dryopteris complexa)
- buckler fern(Dryopteris complexa 'Robust')
- buckler fern(Dryopteris complexa 'Rumpelstiltskin')
- Buddha belly bamboo(Bambusa ventricosa)
- Buddha's hand(Citrus medica var. sarcodactylis)
- buffalo grass(Buchloe dactyloides)
- buffalo grass(Buchloe dactyloides 'Cody')
- buffalo grass(Buchloe dactyloides 'Sharp's Improved')
- bugbane(Actaea 'Chocoholic')
- bugbane(Actaea dahurica)
- bugbane(Actaea matsumurae 'White Pearl')
- bugbane(Actaea 'Pink Spire')
- bugbane(Actaea podocarpa)
- bugbane(Actaea simplex)
- bugbane(Actaea simplex (Atropurpurea Group))
- bugbane(Actaea simplex (Atropurpurea Group) 'Black Negligee')
- bugbane(Actaea simplex (Atropurpurea Group) 'Brunette')
- bugleweed(Ajuga reptans 'Atropurpurea')
- bugleweed(Ajuga reptans 'Binblasca' BLACK SCALLOP)
- bugleweed(Ajuga reptans 'Braunherz')
- bugleweed(Ajuga reptans 'Burgundy Glow')
- bugleweed(Ajuga reptans 'Catlin's Giant')
- bugleweed(Ajuga reptans 'Dixie Chip')
- bugleweed(Ajuga reptans 'Mahogany')
- bugleweed(Ajuga reptans 'Purple Brocade')
- bugleweed(Ajuga reptans 'Purple Torch')
- bugleweed(Ajuga reptans 'Silver Beauty')
- bugleweed(Ajuga reptans 'Valfredda' CHOCOLATE CHIP)
- bunchberry(Cornus canadensis)
- Burgundy Lace Japanese Maple(Acer palmatum 'Burgundy Lace')
- burning bush(Bassia scoparia f. trichophylla)
- bush allamanda(Allamanda schottii)
- bush anemone(Carpenteria californica 'Elizabeth')
- bush honeysuckle(Diervilla lonicera)
- bush honeysuckle(Diervilla sessilifolia)
- bush honeysuckle(Diervilla splendens 'El Madrigal' NIGHTGLOW)
- bush violet(Browallia speciosa)
- Bush's Electra Deodar Cedar(Cedrus deodara 'Bush's Electra')
- Bush's poppy mallow(Callirhoe bushii)
- Bush's sedge(Carex bushii)
- bushy bluestem(Andropogon glomeratus)
- Butterflies Magnolia(Magnolia 'Butterflies')
- butterfly bush(Buddleja 'Asian Moon')
- butterfly bush(Buddleja 'Bicolor')
- butterfly bush(Buddleja 'Blue Chip' LO AND BEHOLD)
- butterfly bush(Buddleja davidii)
- butterfly bush(Buddleja davidii 'Adokeep' ADONIS BLUE)
- butterfly bush(Buddleja davidii 'Attraction')
- butterfly bush(Buddleja davidii 'Black Knight')
- butterfly bush(Buddleja davidii 'Butterfly Heaven')
- butterfly bush(Buddleja davidii 'Buzz Violet Blue')
- butterfly bush(Buddleja davidii 'Ellen's Blue')
- butterfly bush(Buddleja davidii 'Evil Ways')
- butterfly bush(Buddleja davidii 'Monrell' STRAWBERRY LEMONADE)
- butterfly bush(Buddleja davidii 'Monum' PETITE PLUM)
- butterfly bush(Buddleja davidii 'Nanho Blue')
- butterfly bush(Buddleja davidii 'Nanho Purple')
- butterfly bush(Buddleja davidii 'Niche's Choice')
- butterfly bush(Buddleja davidii 'Peakeep' PEACOCK)
- butterfly bush(Buddleja davidii 'PIIBD-I' FIRST EDITIONS GROOVY GRAPE)
- butterfly bush(Buddleja davidii 'PIIBD-II' FIRST EDITIONS FUNKY FUCHSIA)
- butterfly bush(Buddleja davidii 'PIIBD-III' FIRST EDITIONS PSYCHEDELIC SKY)
- butterfly bush(Buddleja davidii 'Pink Delight')
- butterfly bush(Buddleja davidii 'Pyrkeep' PURPLE EMPEROR)
- butterfly bush(Buddleja davidii 'Royal Red')
- butterfly bush(Buddleja davidii 'White Ball')
- butterfly bush(Buddleja davidii 'White Profusion')
- butterfly bush(Buddleja 'Lochinch')
- butterfly bush(Buddleja 'Miss Molly')
- butterfly bush(Buddleja 'Miss Ruby')
- butterfly bush(Buddleja 'Miss Violet')
- butterfly bush(Buddleja nivea)
- butterfly bush(Buddleja 'Pink Micro Chip')
- butterfly bush(Buddleja weyeriana 'Golden Glow')
- butterfly bush(Buddleja weyeriana 'Honeycomb')
- butterfly flag(Dietes bicolor)
- butterfly pea(Clitoria ternatea)
- Butterfly Variegated Japanese Maple(Acer palmatum 'Butterfly')
- butterfly weed(Asclepias tuberosa)
- butterfly weed(Asclepias tuberosa 'Blonde Bombshell')
- butterfly weed(Asclepias tuberosa 'Hello Yellow')
- buttonbush(Cephalanthus occidentalis)
- Boysenberry(Rubus ursinus × idaeus 'Boysen')
- Black-Eyed Susan Vine(Thunbergia alata)
- Bog Rosemary(Andromeda polifolia)
- Bitter Cassava(Manihot esculenta subsp. esculenta (bitter cultivar group))
- Boyds Dwarf Willow(Salix boydii)
- Banyan(Ficus benghalensis)
- Batflower(Tacca chantrieri)
- Butterfly Milkweed(Asclepias tuberosa)
- Bottle Gourd(Lagenaria siceraria)
- Baby Blue Eyes(Nemophila menziesii)
- Bird Catcher Tree(Pisonia brunoniana)
- Baby Sage(Salvia microphylla)
- Beautybush(Kolkwitzia amabilis)
- Blue Trumpet Vine(Thunbergia grandiflora)
- Bluehearts(Buchnera americana)
- Braun's Holly Fern(Polystichum braunii)
- Basil(Ocimum basilicum)
- Blue Holly(Ilex × meserveae)
- Blueberry(Vaccinium corymbosum)
- Bristly Sedge(Carex comosa)
- Beach Pine(Pinus contorta var. contorta)
- Blue Woodruff(Asperula orientalis)
- Bottlebrush(Callistemon citrinus)
- Boulevard False Cypress(Chamaecyparis pisifera 'Boulevard')
- Burkwood Viburnum(Viburnum × burkwoodii)
- Baby's Breath(Gypsophila paniculata)
- Bieberstein Chickweed(Cerastium biebersteinii)
- Bamboo Iris(Iris confusa)
- Bebb Willow(Salix bebbiana)
- Buffalograss(Bouteloua dactyloides)
- Bird Cherry(Prunus padus)
- Black Eyed Susan(Rudbeckia hirta)
- Boat Lily(Tradescantia spathacea)
- Boxleaf Honeysuckle(Lonicera nitida)
- Bay Rum Tree(Pimenta racemosa)
- Broadleaf Arrowhead(Sagittaria latifolia)
- Balloon Flower(Platycodon grandiflorus)
- Beach Aster(Symphyotrichum novi-belgii)
- Broad Leaved Sedge(Carex platyphylla)
- Black Locust(Robinia pseudoacacia)
- Broom Tea Tree(Leptospermum scoparium)
- Blue Wood Aster(Symphyotrichum cordifolium)
- Banana Magnolia(Magnolia figo)
- Beauty Bush(Kolkwitzia amabilis)
- Bee Balm(Monarda didyma)
- Black Mustard(Brassica nigra)
- Black Poui(Jacaranda copaia)
- Bloodleaf(Iresine herbstii)
- Blanket Flower(Gaillardia aristata)
- Blue Eyed Grass(Sisyrinchium campestre)
- Bullrush(Schoenoplectus acutus)
- Brazilian Red Cloak(Megaskepasma erythrochlamys)
- Boston Ivy(Parthenocissus tricuspidata)
- Button Fern(Pellaea rotundifolia)
- Busy Lizzy(Impatiens walleriana)
- Blue Oat Grass(Helictotrichon sempervirens)
- Baikal Sedge(Carex baikalensis)
- Beefsteak Plant(Perilla frutescens var. crispa)
- Bitter Switchgrass(Panicum amarum)
- Big Blue Lilyturf(Liriope muscari 'Big Blue')
- Big Head Purple Star Thistle(Centaurea macrocephala)
- Bloody Cranesbill(Geranium sanguineum)
- Bible Hyssop(Hyssopus officinalis)
- Bracken(Pteridium aquilinum)
- Brewer's Cap(Mitella breweri)
- Brompton Stock(Matthiola incana var. annua)
- Burdock(Arctium lappa)
- Border Privet(Ligustrum obtusifolium)
- Bethlehem Sage(Pulmonaria saccharata)
- Black Huckleberry(Gaylussacia baccata)
- Betony(Stachys officinalis)
- Black Maple(Acer nigrum)
- Blood Banana(Musa acuminata 'Zebrina')
- Blue Passionflower(Passiflora caerulea)
- Brass Buttons(Leptinella squalida)
- Bog Laurel(Kalmia polifolia)
- Blunt Broom Sedge(Carex tribuloides)
- Brewer's Spruce(Picea breweriana)
- Bridal Wreath Spiraea(Spiraea prunifolia)
- Black Sea Holly(Eryngium x tripartitum)
- Brook Grass(Catabrosa aquatica)
- Byzantine Gladiolus(Gladiolus communis subsp. byzantinus)
- Bush S Goosefoot(Chenopodium bushianum)
- Bailey's Sedge(Carex baileyi)
- Baldhip Rose(Rosa gymnocarpa)
- Banana(Musa acuminata)
- Bayberry(Myrica pensylvanica)
- Beach Naupaka(Scaevola taccada)
- Bearded Beggarticks(Bidens aristosa)
- Bearded Penstemon(Penstemon barbatus)
- Big Quaking Grass(Briza maxima)
- Bellflower Beardtongue(Penstemon campanulatus)
- Big Betony(Stachys macrantha)
- Beach Wormwood(Artemisia stelleriana)
- Big Sagebrush(Artemisia tridentata)
- Birchleaf Spirea(Spiraea betulifolia)
- Bird's Foot Trefoil(Lotus corniculatus)
- Black Medic(Medicago lupulina)
- Bladdernut(Staphylea trifolia)
- Black Spiked Sedge(Carex nigra)
- Bloodroot(Sanguinaria canadensis)
- Blue Mustard(Chorispora tenella)
- Branched Bartonia(Bartonia paniculata)
- Blunt Sedge(Carex obtusata)
- Bolander's Sedge(Carex bolanderi)
- Bristly Locust(Robinia hispida)
- Bean Tree(Catalpa bignonioides)
- Brazilian Nightshade(Solanum seaforthianum)
- Bullock's Heart Ivy(Hedera helix 'Bullata')
- Butcher's Broom(Ruscus aculeatus)
- Buxbaum's Sedge(Carex buxbaumii)
- Butterbur(Petasites hybridus)
- Bull Thistle(Cirsium vulgare)
- Baker's Mariposa Lily(Calochortus apiculatus)
- Balsam Poplar(Populus balsamifera)
- Banksian Rose(Rosa banksiae)
- Bat Plant(Tacca chantrieri)
- Beech Fern(Phegopteris connectilis)
- Bearded Iris(Iris germanica)
- Bent Flowered Milk Vetch(Astragalus flexuosus)
- Balfour Aralia(Polyscias scutellaria 'Balfourii')
- Bishop's Wort(Stachys officinalis)
- Bigroot Geranium(Geranium macrorrhizum)
- Black Poplar(Populus nigra)
- Black Hellebore(Helleborus niger)
- Black Oak(Quercus velutina)
- Black Raspberry(Rubus occidentalis)
- Black Cherry(Prunus serotina)
- Blackberry(Rubus fruticosus agg.)
- Blazing Star(Liatris spicata)
- Blackstem Bamboo(Phyllostachys nigra)
- Blue Ash(Fraxinus quadrangulata)
- Bloody Geranium(Geranium sanguineum)
- Blue Sansevieria(Sansevieria masoniana 'Blue' (syn. Dracaena masoniana 'Blue'))
- Blue Beech(Carpinus caroliniana)
- Boston Fern(Nephrolepis exaltata 'Bostoniensis')
- Blunt Mountainmint(Pycnanthemum muticum)
- Blushing Bromeliad(Neoregelia carolinae)
- Bristly Stalk Sedge(Carex leptalea)
- Bush Clover(Lespedeza thunbergii)
- British Yellowhead(Inula britannica)
- Brown Eyed Susan(Rudbeckia triloba)
- Beautiful Serviceberry(Amelanchier arborea)
- Bulbous Oatgrass(Arrhenatherum elatius var. bulbosum)
- Barbados Nut(Jatropha curcas)
- Bee's Primrose(Primula beesiana)
- Bear Sedge(Carex arctata)
- Beggarticks(Bidens frondosa)
- Bells Of Ireland(Moluccella laevis)
- Big Red Sage(Salvia pentstemonoides)
- Bigleaf Sedge(Carex platyphylla)
- Bigleaf Hydrangea(Hydrangea macrophylla)
- Baby Rubber Plant(Peperomia obtusifolia)
- Bird Of Paradise(Strelitzia reginae)
- Bird's Foot Violet(Viola pedata)
- Bitter Ginger(Zingiber zerumbet)
- Black False Hellebore(Veratrum nigrum)
- Black Currant(Ribes nigrum)
- Black Starthistle(Centaurea solstitialis)
- Black Willow(Salix nigra)
- Blackened Sedge(Carex nigricans)
- Blackberry Lily(Iris domestica (syn. Belamcanda chinensis))
- Blackhaw Viburnum(Viburnum prunifolium)
- Blue Elder(Sambucus cerulea)
- Blue Elderberry(Sambucus nigra subsp. caerulea)
- Blue Joint Reedgrass(Calamagrostis canadensis)
- Blue Stem Goldenrod(Solidago caesia)
- Blue Cohosh(Caulophyllum thalictroides)
- Blueflower Butterwort(Pinguicula caerulea)
- Bosnian Pine(Pinus heldreichii)
- Boreal Wormwood(Artemisia borealis)
- Border Bearded Iris(Iris germanica 'Border Group')
- Blue Iris(Iris sibirica)
- Bowstring Hemp(Sansevieria trifasciata (now reclassified as Dracaena trifasciata))
- Branching Centaury(Centaurium pulchellum)
- Brazilian Peppertree(Schinus terebinthifolia)
- Brewer's Bitter Cress(Cardamine breweri)
- Bog Goldenrod(Solidago uliginosa)
- Boreal Moonwort(Botrychium pinnatum)
- Bristlecone Pine(Pinus longaeva)
- Broadleaf Cattail(Typha latifolia)
- Box Leaf Barberry(Berberis buxifolia)
- Bristly Sarsaparilla(Aralia hispida)
- Broad Leaved Linden(Tilia platyphyllos)
- Broom Sedge(Andropogon virginicus)
- Brown Bentgrass(Agrostis canina)
- Bugloss Fiddleneck(Amsinckia tessellata)
- Bur Oak(Quercus macrocarpa)
- Button Sedge(Carex appressa)
- Button Snake Root(Eryngium yuccifolium)
- Button Flower(Gomphrena globosa)
- Beaked Hazel(Corylus cornuta)
- Belgian Saltbush(Atriplex hortensis var. rubra)
- Bee Bee Tree(Tetradium daniellii)
- Broad Beech Fern(Phegopteris hexagonoptera)
- Broad Leaf Goldenrod(Solidago flexicaulis)
- Burnet(Sanguisorba officinalis)
- Black Walnut(Juglans nigra)
- Beaked Sedge(Carex utriculata)
- Broad Bean(Vicia faba)
- Bluejoint Reedgrass(Calamagrostis canadensis)
- Buffalo Currant(Ribes odoratum)
- Blue Limestone Columbine(Aquilegia jonesii)
- Bridal Bouquet(Plumeria pudica)
- Bacopa(Bacopa monnieri)
- Bog Birch(Betula pumila)
- Broad Leaf Mock Orange(Philadelphus latifolius)
- Barbara's Buttons(Marshallia caespitosa)
- Black Elder(Sambucus nigra)
- Beardtongue(Penstemon spp.)
- Burr Reed Sedge(Carex sparganioides)
- Buckley's St. Johnswort(Hypericum buckleyi)
- Beautiful Sedge(Carex speciosa)
- Black Alpine Sedge(Carex atrata)
- Blackjack Oak(Quercus marilandica)
C
- cabbage(Brassica oleracea (Capitata Group))
- cabbage(Brassica oleracea (Capitata Group) 'Frigga')
- cabbage(Brassica oleracea (Capitata Group) 'Ruby Perfection')
- cabbage tree(Cordyline australis 'Salsa')
- cabbage tree(Cordyline fruticosa)
- calamint(Calamintha nepeta)
- calamint(Calamintha nepeta 'Montrose White')
- calamint(Calamintha nepeta subsp. nepeta)
- California buckeye(Aesculus californica)
- California Incense Cedar(Calocedrus decurrens)
- California lilac(Ceanothus 'Concha')
- California lilac(Ceanothus delileanus 'Gloire de Versailles')
- California lilac(Ceanothus pallidus 'Marie Simon')
- California lilac(Ceanothus pallidus 'Minmari' MARIE BLEU)
- California poppy(Eschscholzia californica)
- California sagebrush(Artemisia californica 'Canyon Gray')
- Californian allspice(Calycanthus occidentalis)
- camass(Camassia leichtlinii subsp. suksdorfii 'Blauwe Donau' BLUE DANUBE)
- camass(Camassia leichtlinii subsp. suksdorfii (Caerulea Group))
- camellia(Camellia crapnelliana)
- camellia(Camellia edithae)
- camellia(Camellia japonica)
- camellia(Camellia japonica 'April Dawn')
- camellia(Camellia japonica 'April Rose')
- camellia(Camellia japonica 'April Snow')
- camellia(Camellia japonica 'April Tryst')
- camellia(Camellia japonica 'Korean Fire')
- camellia(Camellia oleifera)
- camellia(Camellia rosiflora)
- camellia(Camellia sasanqua)
- camellia(Camellia transnokoensis)
- camptosema(Camptosema praeandinum)
- Canada wild rye(Elymus canadensis)
- Canadian honewort(Cryptotaenia canadensis)
- Canadian pondweed(Elodea canadensis)
- Candicans White Fir(Abies concolor 'Candicans')
- Candied Apple Flowering Crab(Malus 'Candied Apple')
- candle larkspur(Delphinium elatum AURORA BLUE)
- candle larkspur(Delphinium elatum AURORA DEEP PURPLE)
- candle larkspur(Delphinium elatum AURORA WHITE)
- canna(Canna (aquatic group))
- canna(Canna 'Australia')
- canna(Canna (group))
- canna(Canna 'Striata')
- cannonball tree(Couroupita guianensis)
- Cape aloe(Aloe ferox)
- Cape pondweed(Aponogeton distachyos)
- cape sundew(Drosera capensis)
- caper(Capparis sandwichiana)
- caper(Capparis spinosa)
- caper(Capparis spinosa var. inermis)
- cappadocian maple(Acer cappadocicum)
- cardamom(Elettaria cardamomum)
- Cardiandra(Cardiandra alternifolia)
- cardinal larkspur(Delphinium cardinale)
- cardoon(Cynara cardunculus)
- cardoon(Cynara cardunculus (Cardoon Group) 'Rouge D'Alger')
- carnation(Dianthus amurensis 'Siberian Blue')
- carnation(Dianthus 'Brilliant Star')
- carnation(Dianthus 'Spangled Star')
- carnation(Dianthus superbus)
- carnation(Dianthus 'Supra Purple')
- carnation(Dianthus 'Valda Kitty' DEVON COTTAGE RUBY'S TUESDAY)
- Carolina allspice(Calycanthus floridus)
- Carolina allspice(Calycanthus raulstonii 'Hartlage Wine')
- Carolina allspice(Calycanthus 'SMNCAF' SIMPLY SCENTSATIONAL)
- Carolina allspice(Calycanthus 'Venus')
- Carolina fanwort(Cabomba caroliniana)
- Carolina larkspur(Delphinium carolinianum)
- Carolina moonseed(Cocculus carolinus)
- Carpathian English Walnut(Juglans regia 'Carpathian')
- carrot(Daucus carota var. sativus)
- cassiope(Cassiope 'Randle Cooke')
- cast-iron plant(Aspidistra elatior)
- Castlewellan Leyland Cypress(Cupressocyparis x leylandii 'Castlewellan')
- Caucasian fir(Abies nordmanniana)
- Caucasian fir(Abies nordmanniana subsp. equi-trojani)
- cautleya(Cautleya cathcartii)
- cautleya(Cautleya gracilis)
- cavanillesia(Cavanillesia platanifolia)
- cayenne pepper(Capsicum annuum)
- Cedar of Lebanon(Cedrus libani)
- cedar of Lebanon(Cedrus libani 'Hedgehog')
- cedar of Lebanon(Cedrus libani 'Sargentii')
- cedar of Lebanon(Cedrus libanitica subsp. stenocoma)
- celeriac(Apium graveolens var. rapaceum)
- celeriac(Apium graveolens var. rapaceum 'Diamant')
- celery(Apium graveolens var. dulce)
- Celestial Flowering Dogwood(Cornus 'Rutdan')
- century plant(Agave attenuata)
- century plant(Agave 'Blue Glow')
- century plant(Agave havardiana)
- century plant(Agave schidigera)
- century plant(Agave schidigera 'Shira-ito-no-ohi')
- century plant(Agave univittata 'Splendida')
- century plant(Agave victoriae-reginae)
- ceratostigma(Ceratostigma abyssinicum)
- Ceylon spinach(Basella rubra 'Red Stem')
- chamaecytisus(Chamaecytisus hirsutus)
- chamaedorea(Chamaedorea microspadix)
- chamomile(Chamaemelum nobile)
- champion's wood fern(Dryopteris championii)
- Chantilly Lace Japanese Maple(Acer palmatum 'Chantilly Lace')
- cheddar pink(Dianthus 'Bath's Pink')
- cheddar pink(Dianthus 'Feuerhexe' FIREWITCH)
- cheddar pink(Dianthus 'First Love')
- cheddar pink(Dianthus gratianopolitanus)
- cheddar pink(Dianthus gratianopolitanus 'Grandiflorus')
- cheddar pink(Dianthus 'Mountain Mist')
- Chehalis Apple(Malus 'Chehalis')
- Cherokee Brave Flowering Dogwood(Cornus florida 'Cherokee Brave')
- Cherokee Chief Flowering Dogwood(Cornus florida 'Cherokee Chief')
- Cherokee Daybreak Flowering Dogwood(Cornus florida 'Cherokee Daybreak')
- Cherokee Princess Flowering Dogwood(Cornus florida 'Cherokee Princess')
- Cherokee Sunset Flowering Dogwood(Cornus florida 'Cherokee Sunset')
- chicory(Cichorium intybus)
- China aster(Callistephus chinensis)
- China Girl Chinese Dogwood(Cornus kousa 'China Girl')
- China-fir(Cunninghamia lanceolata)
- Chinese abelia(Abelia chinensis)
- Chinese angelica tree(Aralia chinensis)
- Chinese astilbe(Astilbe chinensis 'Darwin's Surprise')
- Chinese astilbe(Astilbe chinensis 'Diamonds and Pearls')
- Chinese astilbe(Astilbe chinensis 'Finale')
- Chinese astilbe(Astilbe chinensis 'Love and Pride')
- Chinese astilbe(Astilbe chinensis 'Purpurkerze' PURPLE CANDLE)
- Chinese astilbe(Astilbe chinensis var. davidii)
- Chinese astilbe(Astilbe chinensis var. pumila)
- Chinese astilbe(Astilbe chinensis var. taquetii 'Superba')
- Chinese astilbe(Astilbe chinensis 'Vision in Red')
- Chinese astilbe(Astilbe chinensis 'Visions')
- Chinese buttonbush(Adina rubella)
- Chinese cabbage(Brassica rapa (Pekinensis Group))
- Chinese catalpa(Catalpa ovata)
- Chinese cinnamon tree(Cinnamomum cassia)
- Chinese Dogwood(Cornus kousa)
- Chinese Dogwood(Cornus kousa 'var. chinensis')
- Chinese dogwood(Cornus kousa var. chinensis)
- Chinese dogwood(Cornus kousa var. chinensis 'Milky Way')
- Chinese evegreen(Aglaonema 'Cutlass')
- Chinese evergreen(Aglaonema 'Silver Queen')
- Chinese forget-me-not(Cynoglossum amabile)
- Chinese fringe tree(Chionanthus retusus 'Tokyo Tower')
- Chinese Fringetree(Chionanthus retusus)
- Chinese ground orchid(Bletilla striata)
- Chinese ground orchid(Bletilla striata 'Albostriata')
- Chinese ground orchid(Bletilla striata f. gebina)
- Chinese horse chestnut(Aesculus chinensis)
- Chinese mustard(Brassica juncea)
- Chinese plum yew(Cephalotaxus fortunei)
- Chinese quinine(Dichroa febrifuga)
- Chinese redbud(Cercis chinensis)
- Chinese redbud(Cercis chinensis 'Avondale')
- Chinese redbud(Cercis chinensis 'Don Egolf')
- Chinese sweetshrub(Calycanthus chinensis)
- Chinese trumpet creeper(Campsis grandiflora)
- Chinese trumpet creeper(Campsis grandiflora 'Morning Calm')
- Chinese water chestnut(Eleocharis dulcis)
- Chishio Japanese Maple(Acer palmatum 'Chishio')
- Chitose Yama Japanese Maple(Acer palmatum 'Chitose Yama')
- chives(Allium 'Chivette')
- chives(Allium schoenoprasum)
- chives(Allium schoenoprasum 'Snowcap')
- chocolate cosmos(Cosmos atrosanguineus)
- chocolate flower(Berlandiera lyrata)
- chocolate flower(Berlandiera lyrata 'Mora County Mix')
- chocolate vine(Akebia quinata)
- chokeberry(Aronia arbutifolia)
- chokeberry(Aronia arbutifolia 'Brilliantissima')
- christplant(Euphorbia milii)
- chrysanthemum(Chrysanthemum 'Fireworks Igloo')
- chrysanthemum(Chrysanthemum 'Jessica')
- chrysanthemum(Chrysanthemum 'Pumpkin Igloo')
- chrysanthemum(Chrysanthemum 'Radiant Igloo')
- chrysanthemum(Chrysanthemum 'Roadrunner Bronze')
- chrysanthemum(Chrysanthemum 'Yobra' BRAVO)
- chrysanthemum(Chrysanthemum 'Yobrandi' BRANDI)
- chrysanthemum(Chrysanthemum 'Yoraquel' RAQUEL)
- chu-lan tree(Aglaia edulis)
- chu-lan tree(Aglaia odorata)
- cigar flower(Cuphea ignea)
- cilantro(Coriandrum sativum)
- cinnamon(Cinnamomum verum)
- clasping coneflower(Dracopis amplexicaulis)
- clematis(Clematis 'Andromeda')
- clematis(Clematis 'Belle of Taranaki')
- clematis(Clematis 'Belle of Woking')
- clematis(Clematis 'Betty Corning')
- clematis(Clematis 'Cleminov 51' SAPPHIRE INDIGO)
- clematis(Clematis 'Comtesse de Bouchaud')
- clematis(Clematis 'Duchess of Albany')
- clematis(Clematis durandii)
- clematis(Clematis 'Edouard Desfossé')
- clematis(Clematis 'Etoile Violette')
- clematis(Clematis 'Evijohill' JOSEPHINE)
- clematis(Clematis 'Evipo018' BOURBON)
- clematis(Clematis 'Evipo030' BIJOU)
- clematis(Clematis 'Evipo038' CRYSTAL FOUNTAIN)
- clematis(Clematis 'Fireworks')
- clematis(Clematis florida var. sieboldiana)
- clematis(Clematis 'General Sikorski')
- clematis(Clematis 'Golden Cross')
- clematis(Clematis 'Gravetye Beauty')
- clematis(Clematis 'Hagley Hybrid')
- clematis(Clematis 'Henryi')
- clematis(Clematis heracleifolia)
- clematis(Clematis 'Jackmanii')
- clematis(Clematis 'Jackmanii Superba')
- clematis(Clematis 'John Huxtable')
- clematis(Clematis jouiniana)
- clematis(Clematis 'Madame Julia Correvon')
- clematis(Clematis montana f. grandiflora)
- clematis(Clematis 'Nelly Moser')
- clematis(Clematis 'Niobe')
- clematis(Clematis 'Paul Farges' SUMMER SNOW)
- clematis(Clematis 'Pink Fantasy')
- clematis(Clematis pitcheri)
- clematis(Clematis 'Princess Diana')
- clematis(Clematis 'Ramona')
- clematis(Clematis recta 'Purpurea')
- clematis(Clematis 'Rouge Cardinal')
- clematis(Clematis 'Silver Moon')
- clematis(Clematis 'Snow Queen')
- clematis(Clematis 'The President')
- clematis(Clematis tubulosa)
- clematis(Clematis 'Ville de Lyon')
- clematis(Clematis 'Will Goodwin')
- clethra(Clethra pringlei)
- climbing fig(Ficus pumila)
- climbing monk's hood(Aconitum hemsleyanum)
- Clinton's wood fern(Dryopteris clintoniana)
- cloud grass(Agrostis palustris 'Pennlinks')
- Clump Paper Birch(Betula papyrifera '(clump)')
- clusia(Clusia orthoneura)
- clustered bellflower(Campanula glomerata)
- clustered bellflower(Campanula glomerata BELLEFLEUR BLUE)
- clustered bellflower(Campanula glomerata 'Caroline')
- clustered bellflower(Campanula glomerata 'Church Bells')
- clustered bellflower(Campanula glomerata 'Superba')
- clustered field sedge(Carex praegracilis)
- clustered poppy mallow(Callirhoe triangulata)
- coastal agave(Agave shawii)
- coastal serviceberry(Amelanchier obovalis)
- coastal wallflower(Erysimum capitatum)
- cobbitty daisy(Argyranthemum frutescens)
- cocculus(Cocculus orbiculatus)
- cockscomb(Celosia argentea var. cristata (Cristata Group))
- cockspur thorn(Crataegus crus-galli 'Cruzam' CRUSADER)
- cockspur thorn(Crataegus crus-galli (thornless form))
- cockspur thorn(Crataegus 'Vaughn')
- coconut palm(Cocos nucifera)
- colewort(Crambe cordifolia)
- columbine(Aquilegia (Biedermeier Group))
- columbine(Aquilegia 'Bunting')
- columbine(Aquilegia caerulea)
- columbine(Aquilegia caerulea 'Rotstern')
- columbine(Aquilegia canadensis)
- columbine(Aquilegia canadensis 'Corbett')
- columbine(Aquilegia canadensis 'Little Lanterns')
- columbine(Aquilegia chrysantha var. hinckleyana)
- columbine(Aquilegia chrysantha 'Yellow Queen')
- columbine(Aquilegia 'Dove')
- columbine(Aquilegia glandulosa)
- columbine(Aquilegia (McKana Group))
- columbine(Aquilegia olympica)
- columbine(Aquilegia 'Pagoda Blue and White')
- columbine(Aquilegia 'Red Hobbit')
- columbine(Aquilegia 'Remembrance')
- columbine(Aquilegia (Songbird Series) 'Cardinal')
- columbine(Aquilegia 'Spezialrasse')
- columbine(Aquilegia 'Swallowtail')
- columbine(Aquilegia viridiflora)
- columbine(Aquilegia viridiflora 'Chocolate Soldier')
- columbine(Aquilegia vulgaris)
- columbine(Aquilegia vulgaris (Grandmother's Garden Group))
- columbine(Aquilegia vulgaris 'Plena')
- columbine(Aquilegia vulgaris var. flore-pleno 'Blue Bonnet')
- columbine(Aquilegia vulgaris var. flore-pleno 'Tower White')
- columbine(Aquilegia vulgaris var. stellata 'Ruby Port')
- columbine(Aquilegia vulgaris (Vervaeneana Group))
- columbine(Aquilegia vulgaris 'William Guiness')
- columbine(Aquilegia vulgaris 'Woodside Golden')
- columbine(Aquilegia 'Winky Blue and White')
- Columnar Norway Spruce(Picea abies 'Cupressina')
- columnea(Columnea microcalyx)
- Commemoration Sugar Maple(Acer saccharum 'Commemoration')
- common bearberry(Arctostaphylos uva-ursi)
- common bearberry(Arctostaphylos uva-ursi 'Big Bear')
- common bearberry(Arctostaphylos uva-ursi 'Massachusetts')
- common box(Buxus sempervirens)
- common bugle(Ajuga reptans)
- common calabash tree(Crescentia cujete)
- common dittany(Cunila origanoides)
- Common Fig(Ficus carica)
- common fig(Ficus carica 'Petite Negra')
- common fleabane(Erigeron philadelphicus)
- common foxglove(Digitalis purpurea)
- common foxglove(Digitalis purpurea 'Candy Mountain')
- common foxglove(Digitalis purpurea (Excelsior Group))
- common foxglove(Digitalis purpurea f. albiflora)
- common foxglove(Digitalis purpurea (Foxy Group))
- common foxglove(Digitalis purpurea 'Pam's Choice')
- common hornbeam(Carpinus betulus 'Columnaris Nana')
- common milkweed(Asclepias syriaca)
- Common Paw Paw(Asimina triloba)
- Common Persimmon(Diospyros virginiana)
- common quaking grass(Briza media)
- common teasel(Dipsacus fullonum)
- common turmeric(Curcuma longa)
- common water hyacinth(Eichhornia crassipes)
- Compact Hinoki Falsecypress(Chamaecyparis obtusa 'Compacta')
- coneflower(Echinacea 'Adam Saul' CRAZY PINK)
- coneflower(Echinacea 'All that Jazz')
- coneflower(Echinacea 'Aloha')
- coneflower(Echinacea 'Art's Pride' ORANGE MEADOWBRITE)
- coneflower(Echinacea 'Balsomsolst' SOMBRERO SUMMER SOLSTICE)
- coneflower(Echinacea 'Bravado')
- coneflower(Echinacea BURGUNDY FIREWORKS)
- coneflower(Echinacea 'CBG Cone 2' PIXIE MEADOWBRITE)
- coneflower(Echinacea 'Cheyenne Spirit')
- coneflower(Echinacea 'Coral Reef')
- coneflower(Echinacea 'Evan Saul' BIG SKY SUNDOWN)
- coneflower(Echinacea 'Glowing Dream')
- coneflower(Echinacea 'Heavenly Dream')
- coneflower(Echinacea 'Hot Papaya')
- coneflower(Echinacea 'Hot Summer')
- coneflower(Echinacea 'Julia')
- coneflower(Echinacea 'Matthew Saul' BIG SKY HARVEST MOON)
- coneflower(Echinacea 'Maui Sunshine')
- coneflower(Echinacea 'Meteor Red')
- coneflower(Echinacea 'Pink Mist')
- coneflower(Echinacea purpurea 'Balsomsed' SOMBRERO SALSA RED)
- coneflower(Echinacea purpurea 'Green Jewel')
- coneflower(Echinacea purpurea 'Pas702917' POWWOW WILD BERRY)
- coneflower(Echinacea purpurea 'Pink Poodle')
- coneflower(Echinacea purpurea 'Primadonna White')
- coneflower(Echinacea purpurea 'Purity')
- coneflower(Echinacea 'Secret Lust')
- coneflower(Echinacea 'Sombrero Hot Pink')
- coneflower(Echinacea 'Sunrise' BIG SKY SUNRISE)
- coneflower(Echinacea 'Sunset' BIG SKY SUNSET)
- coneflower(Echinacea (Supreme Series) 'Cantaloupe')
- coneflower(Echinacea 'Tanager')
- coneflower(Echinacea 'Tangerine Dream')
- coneflower(Echinacea 'The Price is White')
- coneflower(Echinacea 'Tiki Torch')
- coneflower(Echinacea 'TNECHKIO' KISMET INTENSE ORANGE)
- coneflower(Echinacea 'TNECHKR' KISMET RASPBERRY)
- coneflower(Echinacea 'Tomato Soup')
- coneflower(Echinacea 'Twilight' BIG SKY TWILIGHT)
- coneflower(Echinacea 'White Mist')
- Constellation Flowering Dogwood(Cornus 'Constellation')
- Coonara Pygmy Japanese Maple(Acer palmatum 'Coonara Pygmy')
- coral aloe(Aloe striata)
- Coral Bark Japanese Maple(Acer palmatum 'Sango Kaku')
- Coral Sun Golden Rain Tree(Koelreuteria paniculata 'Coral Sun')
- coral tree(Erythrina bidwillii)
- coral vine(Antigonon leptopus)
- Cornelian Cherry Dogwood(Cornus mas)
- cornelian cherry dogwood(Cornus mas 'Golden Glory')
- cornflower(Centaurea cyanus)
- Cortland Apple(Malus 'Cortland')
- corydalis(Corydalis 'Berry Exciting')
- corydalis(Corydalis 'Blackberry Wine')
- corydalis(Corydalis 'Canary Feathers')
- corydalis(Corydalis flexuosa)
- corydalis(Corydalis lutea)
- corydalis(Corydalis ophiocarpa)
- cosmos(Cosmos sulphureus)
- cotoneaster(Cotoneaster acutifolius)
- cotoneaster(Cotoneaster cochleatus)
- cotoneaster(Cotoneaster franchetii)
- cotoneaster(Cotoneaster glaucophyllus)
- cotoneaster(Cotoneaster hessei)
- cotoneaster(Cotoneaster integerrimus 'Centennial')
- cotoneaster(Cotoneaster suavis)
- cow's tail pine(Cephalotaxus harringtonia 'Nana')
- Cox's Orange Pippin Apple(Malus 'Cox's Orange Pippin')
- creeping bent grass(Agrostis palustris NO MOW)
- creeping cotoneaster(Cotoneaster nanshan)
- creeping spike rush(Eleocharis palustris)
- crimson bottlebrush(Callistemon citrinus)
- Crimson Frost Birch(Betula 'Crimson Frost')
- Crimson King Norway Maple(Acer platanoides 'Crimson King')
- Crimson Prince Japanese Maple*(Acer palmatum 'Crimson Prince')
- Crimson Sentry Norway Maple(Acer platanoides 'Crimson Sentry')
- crinkled hair grass(Deschampsia flexuosa)
- crinum(Crinum bulbispermum)
- crinum(Crinum 'Ellen Bosanquet')
- crinum(Crinum (group))
- crinum(Crinum jagus)
- crinum(Crinum powellii)
- Cripps Gold Falsecypress(Chamaecyparis obtusa 'Crippsii')
- crocus(Crocus luteus 'Golden Yellow')
- cross vine(Bignonia capreolata 'Atrosanguinea')
- croton(Codiaeum variegatum)
- croton(Codiaeum variegatum var. pictum)
- cry-baby tree(Erythrina crista-galli)
- cryptanthus(Cryptanthus (group))
- cucumber(Cucumis sativus)
- Cumberland reed grass(Calamovilfa arcuata)
- Cumberland rosemary(Conradina verticillata)
- cup and saucer vine(Cobaea scandens)
- cuphea(Cuphea 'David Verity')
- cuphea(Cuphea llavea)
- cuphea(Cuphea VERMILLIONAIRE)
- cupid's dart(Catananche caerulea)
- cushion spurge(Euphorbia epithymoides 'Bonfire')
- cushion spurge(Euphorbia polychroma)
- cushion spurge(Euphorbia polychroma 'Candy')
- Cusick's camass(Camassia cusickii)
- custard apple(Annona reticulata)
- Cutleaf Fullmoon Maple(Acer japonicum 'Aconitifolium')
- cutleaf toothwort(Cardamine concatenata)
- cycad(Cycas rumphii)
- cycad(Dioon edule)
- cyclamen(Cyclamen persicum)
- cymbalaria(Cymbalaria aequitriloba)
- Cassava(Manihot esculenta)
- Catnip(Nepeta cataria)
- Castor Bean(Ricinus communis)
- Crimson Glory Vine(Vitis coignetiae)
- Cascade Hydrangea(Hydrangea seemannii)
- Clove(Syzygium aromaticum)
- Creeping Willow(Salix repens)
- Common Bean(Phaseolus vulgaris)
- Creeping Speedwell(Veronica filiformis)
- Calamondin Orange(Citrus × microcarpa)
- Corkscrew Rush(Juncus effusus f. spiralis)
- Chinese Tulip Tree(Liriodendron chinense)
- Creeping Juniper(Juniperus horizontalis)
- Chaste Tree(Vitex agnus-castus)
- Common Pitcher Plant(Sarracenia purpurea)
- Cayman Islands Spider Lily(Hymenocallis caymanensis)
- Chinese Violet Cress(Orychophragmus violaceus)
- Citron Daylily(Hemerocallis citrina)
- Common Lungwort(Pulmonaria officinalis)
- Chokecherry(Prunus virginiana)
- Common Lousewort(Pedicularis sylvatica)
- Climbing Miniature Rose(Rosa hybrida 'Climbing Miniature')
- Common Broom(Cytisus scoparius)
- Carey's Balsamroot(Balsamorhiza careyana)
- Canada Thistle(Cirsium arvense)
- Cattail Sedge(Carex typhina)
- Common Laburnum(Laburnum anagyroides)
- Common Woolly Sunflower(Eriophyllum lanatum)
- Centipede Plant(Muehlenbeckia platyclada)
- Caucasian Wingnut(Pterocarya fraxinifolia)
- Caerhays Belle Magnolia(Magnolia 'Caerhays Belle')
- Chinese Sedum(Sedum tetractinum)
- Common Horsetail(Equisetum arvense)
- Coast Redwood(Sequoia sempervirens)
- Chinkapin Oak(Quercus muehlenbergii)
- Common Rush(Juncus effusus)
- Copper Beech(Fagus sylvatica 'Purpurea')
- Cape Primrose(Streptocarpus sect. Saintpaulia)
- Chinese Cork Oak(Quercus variabilis)
- Chinese Plum(Prunus mume)
- Christmas Cactus(Schlumbergera × buckleyi)
- Crowned Beggarticks(Bidens coronata)
- Creeping Charlie(Glechoma hederacea)
- Curry Plant(Helichrysum italicum)
- Cylindrical Magnolia(Magnolia cylindrica)
- Carolina Lupine(Thermopsis villosa)
- Cacao(Theobroma cacao)
- Candia Tulip(Tulipa saxatilis)
- Caraway Thyme(Thymus herba-barona)
- Chinese Creeping Lobelia(Lobelia chinensis)
- Chinese Red Pine(Pinus tabuliformis)
- Crawe's Sedge(Carex crawei)
- Coastal Strawberry(Fragaria chiloensis)
- Creeping Jenny(Lysimachia nummularia)
- Crested Floatingheart(Nymphoides cristata)
- Campion(Silene vulgaris)
- Canada Aster(Symphyotrichum canadense)
- Chestnut Colored Sedge(Carex buchananii)
- Carolina Rose(Rosa carolina)
- Canada Mayflower(Maianthemum canadense)
- Chinese Holly(Ilex cornuta)
- Chinese Pine(Pinus tabuliformis)
- Chocolate Chip Carpet Bugle(Ajuga reptans 'Chocolate Chip')
- Clammy Campion(Silene rotundifolia)
- Common Mouse Ear Chickweed(Cerastium fontanum)
- Chinese Wisteria(Wisteria sinensis)
- Coral Lily(Lilium pumilum)
- Chinese Tree Lilac(Syringa reticulata subsp. pekinensis)
- Creeping Buttercup(Ranunculus repens)
- Crown Imperial(Fritillaria imperialis)
- Corsican Hellebore(Helleborus argutifolius)
- Creeping Sedge(Carex reptabunda)
- Cherry(Prunus subg. Cerasus)
- Clustered Wild Rose(Rosa pisocarpa)
- Common Sandweed(Spergularia rubra)
- Camas(Camassia quamash)
- Cape Fuchsia(Phygelius capensis)
- Cape Leadwort(Plumbago auriculata)
- Caucasian Stonecrop(Phedimus spurius, formerly Sedum spurium)
- Cardinal's Guard(Pachystachys coccinea)
- Chamomile Grape Fern(Botrychium matricariifolium)
- Chinese Dunce Cap(Orostachys iwarenge)
- Chestnut Oak(Quercus montana)
- Chinese Lantern(Physalis alkekengi)
- Columbia Monkshood(Aconitum columbianum)
- Coleus(Plectranthus scutellarioides (syn. Solenostemon scutellarioides))
- Common Privet(Ligustrum vulgare)
- Common Corncockle(Agrostemma githago)
- Catawba Rhododendron(Rhododendron catawbiense)
- Common Wood Sedge(Carex sylvatica)
- Crown Beard(Verbesina occidentalis)
- Creeping Phlox(Phlox subulata)
- Cross Gentian(Gentiana cruciata)
- Chinese Neillia(Neillia sinensis)
- Cypress(Cupressus sempervirens)
- Canadian Gooseberry(Ribes oxyacanthoides)
- Candytuft(Iberis sempervirens)
- Caucasian Crosswort(Phuopsis stylosa)
- Cherokee Rose(Rosa laevigata)
- Chinese Fighazel(Sycopsis sinensis)
- Chickasaw Plum(Prunus angustifolia)
- Chinese Arborvitae(Platycladus orientalis)
- Cinquefoil(Potentilla reptans)
- Collins Rockcress(Arabis collinsii)
- Cherry Plum(Prunus cerasifera)
- Chinese Parasol(Firmiana simplex)
- Chinese Snowball Viburnum(Viburnum macrocephalum)
- Common Lilac(Syringa vulgaris)
- Common Vetch(Vicia sativa)
- Columbian Monkshood(Aconitum columbianum)
- Common Hop(Humulus lupulus)
- Corn Brome(Bromus secalinus)
- Coralbush(Jatropha multifida)
- Creeping Bluegrass(Poa reptans)
- Cowslip(Primula veris)
- Common Pipsissewa(Chimaphila umbellata)
- Cuban Oregano(Coleus amboinicus)
- Cup Plant(Silphium perfoliatum)
- Cupflower(Nierembergia scoparia)
- Cusick's Sedge(Carex cusickii)
- Creeping Foxtail(Alopecurus arundinaceus)
- Calla Lily(Zantedeschia aethiopica)
- Canada Rosebay Rhodora(Rhododendron canadense)
- Callery Pear(Pyrus calleryana)
- Cascara(Frangula purshiana)
- Canadian Hemlock(Tsuga canadensis)
- Chinese Fringe Flower(Loropetalum chinense)
- Cat Mint(Nepeta cataria)
- Caucasian Linden(Tilia euchlora)
- Canada Plum(Prunus nigra)
- Chinese Indigo(Persicaria tinctoria)
- Chinese Hawthorn(Crataegus pinnatifida)
- Chinese Viburnum(Viburnum macrocephalum)
- Chittamwood(Sideroxylon lanuginosum)
- Cliff Green(Pellaea viridis)
- Coastal Sand Sedge(Carex arenaria)
- Climbing Polyantha Rose(Rosa 'Climbing Polyantha')
- Common Blue Violet(Viola sororia)
- Common Buckthorn(Rhamnus cathartica)
- Common Ginger(Zingiber officinale)
- Common Fiddleneck(Amsinckia menziesii)
- Common Evening Primrose(Oenothera biennis)
- Corkwood(Leitneria floridana)
- Colicroot(Aletris farinosa)
- Cranesbill(Geranium spp. (cultivated varieties))
- Creeping Liriope(Liriope spicata)
- Creeping Mahonia(Mahonia repens)
- Creeping Rosemary(Salvia rosmarinus 'Prostratus')
- Cyclamineus Daffodil(Narcissus cyclamineus)
- Crested Wheat Grass(Agropyron cristatum)
- Crimson Flag(Schizostylis coccinea (syn. Hesperantha coccinea))
- Cucumber Tree(Magnolia acuminata)
- Cyperus Like Sedge(Carex pseudocyperus)
- Cypress Spurge(Euphorbia cyparissias)
- Common Dandelion(Taraxacum officinale)
- Common Figwort(Scrophularia nodosa)
- Canada Yew(Taxus canadensis)
- Canada Bluegrass(Poa compressa)
- Canadian Buffaloberry(Shepherdia canadensis)
- California Brome(Bromus carinatus)
- Canary Island Date Palm(Phoenix canariensis)
- Canterbury Bellflower(Campanula medium)
- Candelabrum Sage(Salvia candelabrum)
- Campanule Feuilles Larges(Campanula latifolia)
- Caricature Plant(Graptophyllum pictum)
- Capitate Sedge(Carex capitata)
- Carolina Hemlock(Tsuga caroliniana)
- Celandine Poppy(Stylophorum diphyllum)
- Castor Aralia(Kalopanax septemlobus)
- Checkerbloom(Sidalcea malviflora)
- China Rose(Hibiscus rosa-sinensis)
- Chinese Evergreen Spicebush(Lindera communis)
- Chinese Tallow(Triadica sebifera)
- Chinese Water Pine(Glyptostrobus pensilis)
- Chinese Tupelo(Nyssa sinensis)
- Chocolate Mint(Mentha × piperita f. citrata 'Chocolate')
- Chinese Wingnut(Pterocarya stenoptera)
- Chinese Photinia(Photinia serratifolia)
- Clary Sage(Salvia sclarea)
- Chinese Pistache(Pistacia chinensis)
- Colocynth(Citrullus colocynthis)
- Cliff Paintbrush(Castilleja rupicola)
- Clove Currant(Ribes odoratum)
- Christmas Berry(Photinia × fraseri)
- Colonial Bentgrass(Agrostis capillaris)
- Common Hawthorn(Crataegus monogyna)
- Climbing Tea Rose(Rosa 'Climbing Tea' (hybrid tea climbing cultivar group))
- Colorado Blue Spruce(Picea pungens)
- Common Rose Mallow(Hibiscus moscheutos)
- Common Hornwort(Ceratophyllum demersum)
- Common Sunflower(Helianthus annuus)
- Common Wild Oats(Avena fatua)
- Common Wild Rose(Rosa canina)
- Copycat Sedge(Carex simulata)
- Coralberry(Symphoricarpos orbiculatus)
- Coral Bells(Heuchera sanguinea)
- Corkscrew Flower(Vigna caracalla)
- Corn Gromwell(Buglossoides arvensis)
- Creeping Saxifrage(Saxifraga stolonifera)
- Crape Myrtle(Lagerstroemia indica)
- Creeping Saltbush(Atriplex prostrata)
- Cretan Brake(Pteris cretica)
- Culver's Root(Veronicastrum virginicum)
- Currant(Ribes rubrum (red currant), Ribes nigrum (black currant), Ribes uva-crispa (white currant))
- Curved Pod Astragalus(Astragalus curvicarpus)
- Crimson Flag Lily(Hesperantha coccinea (syn. Schizostylis coccinea))
- Climbing Pandanus(Freycinetia spp.)
- Calathea(Calathea spp.)
- Calcareous Water Sedge(Carex viridula)
- California Broomrape(Orobanche californica)
- California Flannelbush(Fremontodendron californicum)
- California Needlegrass(Nassella pulchra)
- Canada Violet(Viola canadensis)
- Canada Garlic(Allium canadense)
- Canadian Goldenrod(Solidago canadensis)
- Cardinal Flower(Lobelia cardinalis)
- Canary Island Geranium(Geranium palmatum)
- California Amaranth(Amaranthus californicus)
- Canadian Milk Vetch(Astragalus canadensis)
- Charity Mahonia(Mahonia x media 'Charity')
- Catmint(Nepeta cataria)
- Catchfly(Silene armeria)
- Chastetree(Vitex agnus-castus)
- Chinese Hibiscus(Hibiscus rosa-sinensis)
- Cheatgrass(Bromus tectorum)
- Chinese Witch Hazel(Hamamelis mollis)
- Chinese Sumac(Rhus chinensis)
- Chinese Quince(Pseudocydonia sinensis)
- Chinese Hosta(Hosta plantaginea)
- Christmas Fern(Polystichum acrostichoides)
- Climbing Hydrangea(Hydrangea anomala subsp. petiolaris)
- Clubmoss Mountain Heather(Cassiope lycopodioides)
- Cloud Sedge(Carex buchananii)
- Closed Gentian(Gentiana andrewsii)
- Coffin Juniper(Juniperus horizontalis 'Wiltonii')
- Common Alaska Harebell(Campanula lasiocarpa)
- Cardinal Climber(Ipomoea × multifida)
- Common Copperleaf(Acalypha wilkesiana)
- Common Globe Amaranth(Gomphrena globosa)
- Common Jasmine(Jasminum officinale)
- Common Ladies' Tresses(Spiranthes spiralis)
- Common Juniper(Juniperus communis)
- Common Mullein(Verbascum thapsus)
- Common Periwinkle(Vinca minor)
- Common Pepper(Capsicum annuum)
- Common Pear(Pyrus communis)
- Common Shepherd's Purse(Capsella bursa-pastoris)
- Compass Plant(Silphium laciniatum)
- Cooper's African Hyacinth(Ledebouria cooperi)
- Coral Berry(Symphoricarpos orbiculatus)
- Coral Bark Willow(Salix alba var. vitellina 'Britzensis')
- Cow Parsnip(Heracleum maximum)
- Common Hyacinth(Hyacinthus orientalis)
- Creeping Savory(Satureja spicigera)
- Corn Poppy(Papaver rhoeas)
- Crimson Fountaingrass(Pennisetum setaceum 'Rubrum')
- Cultivated Oats(Avena sativa)
- Cream Flowered Rockcress(Arabis caucasica 'Plena')
- Creeping Velvetgrass(Holcus mollis)
- Cork Oak(Quercus suber)
- Cream Wild Indigo(Baptisia bracteata)
- Common Blackberry(Rubus fruticosus)
- Corn(Zea mays)
- Cherry Laurel(Prunus laurocerasus)
- Common Western Needlegrass(Eriocoma occidentalis (formerly Achnatherum occidentale))
- Connect Sedge(Carex connectens)
- Columbia Needlegrass(Eriocoma nelsonii subsp. dorei (syn. Achnatherum nelsonii subsp. dorei))
- Cooper's Milkvetch(Astragalus neglectus)
- Cusick's Indian Paintbrush(Castilleja cusickii)
- Chinese Rhubarb(Rheum palmatum)
- Common Yellow Monkey Flower(Erythranthe guttata)
- Campanule Feuilles De Pêcher(Campanula persicifolia)
- Chinese Juniper(Juniperus chinensis)
- Cogon Grass(Imperata cylindrica)
- Christmas Rose(Helleborus niger)
- Calico Aster(Symphyotrichum lateriflorum)
- Cancer Weed(Salvia lyrata)
- Comfrey(Symphytum officinale)
- Circumpolar Sedge(Carex arctogena)
- Californian Blue Eyed Grass(Sisyrinchium bellum)
- Common Moonseed(Menispermum canadense)
- Carolina Buckthorn(Frangula caroliniana)
- Columnar Apple(Malus domestica (columnar cultivars))
- Chinese Lilac(Syringa × chinensis)
- Common Duckweed(Lemna minor)
- Cypress Vine(Ipomoea quamoclit)
- Common St. John's Wort(Hypericum perforatum)
- Chinese Desert Thorn(Lycium barbarum)
- Columbia Sedge(Carex aperta)
- Chick Pea(Cicer arietinum)
- Crawford's Sedge(Carex crawfordii)
- Curry Leaf(Murraya koenigii)
- Copper Iris(Iris fulva)
- Common Centaury(Centaurium erythraea)
- Climbing Milkweed(Funastrum cynanchoides)
- Creeping Zinnia(Sanvitalia procumbens)
- Canada Milk Vetch(Astragalus canadensis)
- Chaffy Sedge(Carex paleacea)
- Crabapple(Malus sylvestris, Malus coronaria, and hybrid Malus cultivars)
- Corncob Plant(Euphorbia mammillaris)
- Cutleaf Coneflower(Rudbeckia laciniata)
D
- D.D. Blanchard Magnolia(Magnolia grandiflora 'D.D. Blanchard')
- dahlia(Dahlia (group))
- daily dew(Drosera binata var. dichotoma)
- daisy fleabane(Erigeron 'Dunkelste Aller' DARKEST OF ALL)
- daisy garden mum(Chrysanthemum 'Cathy's Rust')
- Dalmation bellflower(Campanula portenschlagiana 'Aurea')
- daphne(Daphne burkwoodii 'Carol Mackie')
- daphne(Daphne burkwoodii 'Silveredge')
- daphne(Daphne burkwoodii 'Somerset')
- daphne(Daphne cneorum)
- daphne(Daphne transatlantica 'Blafra' ETERNAL FRAGRANCE)
- daphniphyllum(Daphniphyllum macropodum)
- daphniphyllum(Daphniphyllum macropodum subsp. humile)
- Daub's Frosted Juniper (tree form)(Juniperus x media 'Daub's Frosted (tree form)')
- Davis's sedge(Carex davisii)
- Dawn Redwood(Metasequoia glyptostroboides)
- Dawyck Gold Beech(Fagus sylvatica 'Dawyck Gold')
- Dawyck Purple Beech(Fagus sylvatica 'Dawyck Purple')
- Daybreak Magnolia(Magnolia 'Daybreak')
- dead man's fingers(Decaisnea fargesii)
- deadly nightshade(Atropa belladonna)
- decorative dahlia(Dahlia 'Prinzessin Irene von Preussen')
- decorative garden mum(Chrysanthemum 'Hillside Sheffield Pink')
- decorative garden mum(Chrysanthemum 'Yohannah' HANNAH)
- deer fern(Blechnum spicant)
- delosperma(Delosperma floribundum 'Starburst')
- delosperma(Delosperma 'John Proffitt')
- delphinium(Delphinium elatum)
- delta maidenhair fern(Adiantum raddianum)
- Deodar Cedar(Cedrus deodara)
- desert rose(Adenium obesum)
- desert willow(Chilopsis linearis)
- desert willow(Chilopsis linearis var. linearis)
- deutzia(Deutzia hybrida 'Magicien')
- deutzia(Deutzia hybrida 'Mont Rose')
- deutzia(Deutzia hybrida 'Perle Rose')
- deutzia(Deutzia hybrida 'Strawberry Fields')
- deutzia(Deutzia magnifica)
- deutzia(Deutzia 'NCDX2' YUKI CHERRY BLOSSOM)
- deutzia(Deutzia rosea)
- Devil's tongue(Amorphophallus konjac)
- Devil's walking stick(Aralia spinosa)
- dianthus(Dianthus 'Heart's Desire')
- diarrhena(Diarrhena mandshurica)
- diascia(Diascia integerrima 'Coral Canyon')
- dichondra(Dichondra argentea 'Silver Falls')
- dicliptera(Dicliptera squarrosa)
- dietes(Dietes iridioides)
- dill(Anethum graveolens)
- disanthus(Disanthus cercidifolius)
- dittany(Dictamnus albus)
- dittany(Dictamnus albus 'Albiflorus')
- dittany(Dictamnus albus var. purpureus)
- divi-divi(Caesalpinia coriaria)
- dogfennel(Eupatorium capillifolium)
- dogwood(Cornus amomum)
- dogwood(Cornus drummondii)
- dogwood(Cornus elliptica)
- dogwood(Cornus elliptica 'Elsbry' EMPRESS OF CHINA)
- dogwood(Cornus 'Rutfan' STARDUST)
- dogwood(Cornus 'Rutgan' STELLAR PINK)
- dogwood(Cornus wilsoniana)
- Dolgo Apple(Malus 'Dolgo')
- Donald Wyman Flowering Crab(Malus 'Donald Wyman')
- Dove Tree(Davidia involucrata)
- downy clematis(Clematis macropetala)
- draba(Draba rigida)
- draba(Draba rigida var. bryoides)
- dracaena(Dracaena sanderiana)
- dragon arum(Dracunculus vulgaris)
- dragontree(Dracaena marginata)
- dropwort(Filipendula vulgaris)
- dropwort(Filipendula vulgaris 'Multiplex')
- drosanthemum(Drosanthemum micans)
- dumb cane(Dieffenbachia seguine)
- Dutch crocus(Crocus vernus)
- Dutchman's breeches(Dicentra cucullaria)
- Dutchman's pipe(Aristolochia macrophylla)
- Dutchman's pipe(Aristolochia tomentosa)
- dwarf birch(Betula 'Golden Treasure' CESKY GOLD)
- dwarf blue star(Amsonia tabernaemontana 'Short Stack')
- dwarf bush-honeysuckle(Diervilla 'Copper')
- dwarf chapparal-broom(Baccharis pilularis)
- dwarf chapparal-broom(Baccharis pilularis 'Pigeon Point')
- dwarf hybrid hyssop(Agastache KUDOS RED)
- Dwarf Japanese garden Juniper (tree form)(Juniperus procumbens 'Nana (tree form)')
- dwarf larkspur(Delphinium tricorne)
- Dwarf Red Pygmy Japanese Maple(Acer palmatum 'Red Pygmy')
- dwarf serviceberry(Amelanchier alnifolia var. pumila)
- dwarf-winged burning bush(Euonymus alatus 'Compactus')
- Dyer's chamomile(Anthemis tinctoria 'Kelwayi')
- Downy Birch(Betula pubescens)
- Dahlberg Daisy(Thymophylla tenuiloba)
- Dwarf Ruellia(Ruellia simplex 'Katie')
- Dioecious Sedge(Carex dioica)
- Dwarf Mat Rush(Lomandra confertifolia subsp. pallida 'Little Con')
- Dwarf Palmetto(Sabal minor)
- Dame's Rocket(Hesperis matronalis)
- Dappled Willow(Salix integra 'Hakuro-nishiki')
- Downy Oak(Quercus pubescens)
- Dwarf Flowering Almond(Prunus glandulosa)
- Deadnettle(Lamium maculatum)
- Daffodil(Narcissus pseudonarcissus)
- Drummond Aster(Symphyotrichum drummondii)
- Deerberry(Vaccinium stamineum)
- David S. Peach(Prunus persica 'David S')
- Drooping Laurel(Cryptocarya rigida)
- Dutch Iris(Iris × hollandica)
- Drumstick Primula(Primula denticulata)
- Dwarf Crested Iris(Iris cristata)
- Dusty Zenobia(Zenobia pulverulenta)
- Dwarf Eastern White Pine(Pinus strobus 'Nana')
- David Viburnum(Viburnum davidii)
- Dutch Elm(Ulmus × hollandica)
- Dwarf Nectarine(Prunus persica var. nucipersica 'Dwarf')
- Densetuft Hairsedge(Bulbostylis capillaris)
- Diamondflowers(Stenaria nigricans)
- Dwarf Hackberry(Celtis tenuifolia)
- Downy Paintbrush(Castilleja sessiliflora)
- Dwarf Norway Spruce(Picea abies 'Nana')
- Distant Sedge(Carex distans)
- Douglas Water Hemlock(Cicuta douglasii)
- Double Coconut Palm(Lodoicea maldivica)
- Duncecap(Lunaria annua)
- Dwarf Evening Primrose(Oenothera macrocarpa subsp. incana)
- Dahurian Rhododendron(Rhododendron dahuricum)
- Downy Cherry(Prunus tomentosa)
- Dwarf Apricot(Prunus armeniaca 'Dwarf')
- Dwarf Lilyturf(Ophiopogon japonicus)
- Dwarf Holly(Ilex crenata 'Compacta')
- Dense Longwood Thyme(Thymus serpyllum 'Dense Longwood')
- Desert Goosefoot(Chenopodium pratericola)
- Drooping Sedge(Carex pendula)
- Dwarf Fothergilla(Fothergilla gardenii)
- Drummond's Milk Vetch(Astragalus drummondii)
- Dwarf Siberian Pine(Pinus pumila)
- Dwarf Yellow Daylily(Hemerocallis minor)
- Dyer's Broom(Genista tinctoria)
- Dragon's Claw Willow(Salix matsudana 'Tortuosa')
- Drummond's Thistle(Cirsium drummondii)
- Drummond's Anemone(Anemone drummondii)
- Dwarf False Indigo(Baptisia australis var. minor)
- Dalmatian Iris(Iris pallida subsp. pallida)
- Dittany Of Crete(Origanum dictamnus)
- Devilwood(Osmanthus americanus)
- Dew Flower(Drosanthemum floribundum)
- Double Daffodil(Narcissus 'Double Group')
- Downy Skullcap(Scutellaria incana)
- Dwarf Contorted Suncup(Camissonia contorta)
- Dysosma(Dysosma versipellis)
- Dwarf Peach(Prunus persica var. persica 'dwarf cultivar')
- Dwarf Plum(Prunus domestica (dwarf cultivars))
- Dotted Beebalm(Monarda punctata)
- Dwarf Coastal Maidenhair Fern(Adiantum aleuticum 'Subpumilum')
- Daylily(Hemerocallis fulva)
- Devil's Club(Oplopanax horridus)
- Double Weeping Higan Cherry(Prunus subhirtella 'Pendula Plena')
- Don Meadow Milk Vetch(Astragalus donianus)
- Doublefile Viburnum(Viburnum plicatum f. tomentosum)
- Douglas Maple(Acer glabrum var. douglasii)
- Douglas Wormwood(Artemisia douglasiana)
- Douglas Fir Dwarf Mistletoe(Arceuthobium douglasii)
- Downy Alpine Oatgrass(Helictotrichon sedenense)
- Dudley S Rush Daylily(Hemerocallis 'Dudley S Rush')
- Drooping Wood Sedge(Carex arctata)
- Dwarf Mountain Pine(Pinus mugo var. pumilio)
- Dwarf Holly Fern(Cyrtomium falcatum 'Rochfordianum')
- Dwarf Sumac(Rhus copallinum var. latifolia)
- Dyce S Holly Fern(Cyrtomium fortunei 'Dycei')
- Dwarf Asiatic Lily(Lilium asiaticum 'Dwarf Hybrid')
- Damask Rose(Rosa × damascena)
- Dark Lamb's Quarters(Chenopodium album 'Atropurpureum')
- Dense Silky Bentgrass(Agrostis capillaris)
- Deciduous Azalea(Rhododendron spp. (subgenus Pentanthera))
- Deergrass(Muhlenbergia rigens)
- Dotted Blazing Star(Liatris punctata)
- Dry Spike Sedge(Carex spicata)
- Douglas Fir(Pseudotsuga menziesii)
- Dunhead Sedge(Carex sparganioides)
- Dwarf Alpine Hawksbeard(Crepis pygmaea)
- Deltoid Balsamroot(Balsamorhiza deltoidea)
- Dwarf Honeysuckle(Lonicera nitida)
- Dwarf Apple(Malus domestica (dwarf cultivars))
- Dwarf Pomegranate(Punica granatum var. nana)
- Dwarf Pear(Pyrus communis (dwarf cultivars))
- Downy False Foxglove(Aureolaria virginica)
- Dwarf Hybrid Blueberry(Vaccinium michauxii × Vaccinium pumilum var. pumilum)
- Downy Wood Mint(Blephilia ciliata)
- Dyer's Woad(Isatis tinctoria)
- Dropseed Rockcress(Arabis pycnocarpa)
- Douglas Sedge(Carex douglasii)
- Downy Willow(Salix lapponum)
E
- ear-leaved tickseed(Coreopsis auriculata 'Nana')
- ear-leaved tickseed(Coreopsis auriculata 'Zamphir')
- eared lady fern(Athyrium otophorum)
- eastern baccharis(Baccharis halimifolia)
- eastern Cape blue cycad(Encephalartos horridus)
- eastern coneflower(Echinacea 'Snow Cone')
- Eastern Redbud(Cercis canadensis)
- eastern redbud(Cercis canadensis 'Covey')
- eastern redbud(Cercis canadensis f. alba 'Royal White')
- eastern redbud(Cercis canadensis 'JN16' BLACK PEARL)
- eastern redbud(Cercis canadensis 'JN2' THE RISING SUN)
- eastern redbud(Cercis canadensis 'NC2016-2' FLAME THROWER)
- eastern redbud(Cercis canadensis 'Pink Trim' NORTHERN HERALD)
- eastern redbud(Cercis canadensis 'Tennessee Pink')
- Eastern Redbud (tree form)(Cercis canadensis '(tree form)')
- eastern star sedge(Carex radiata)
- eastern wahoo(Euonymus atropurpureus)
- ebony spleenwort(Asplenium platyneuron)
- echium(Echium amoenum 'Red Feathers')
- echium(Echium maculatum)
- Eddie's White Wonder Flowering Dogwood(Cornus 'Eddie's White Wonder')
- Electra Blue Deodar Cedar(Cedrus deodara 'Electra Blue')
- elegant tick clover(Desmodium elegans)
- elephant's ear(Alocasia amazonica)
- elephant's ear(Alocasia 'Frydek')
- elephant's ear(Alocasia (group))
- elephant's ear(Alocasia LOW RIDER)
- elephant's ear(Alocasia 'Portora')
- elephant's ear(Alocasia 'Sarian')
- elephant's foot(Elephantopus carolinianus)
- Elizabeth Magnolia(Magnolia 'Elizabeth')
- ellisiophyllum(Ellisiophyllum pinnatum)
- Elstar Apple(Malus 'Elstar')
- Emerald Queen Norway Maple(Acer platanoides 'Emerald Queen')
- Emmett's Pumpkin Fullmoon Maple(Acer japonicum 'Emmett's Pumpkin')
- Emperor I Japanese Maple(Acer palmatum 'Wolff')
- English daisy(Bellis perennis)
- English daisy(Bellis perennis BELLISSIMA RED)
- eryngo(Eryngium alpinum)
- eryngo(Eryngium alpinum 'Blue Star')
- eryngo(Eryngium aquaticum)
- escallonia(Escallonia cordobensis)
- escallonia(Escallonia rigida)
- Eskimo Sunset Sycamore Maple(Acer pseudoplatanus 'Eskimo Sunset')
- Eubotrys(Eubotrys racemosa)
- euonymus(Euonymus carnosus)
- euonymus(Euonymus japonicus)
- euonymus(Euonymus japonicus 'Green Spire')
- euonymus(Euonymus kiautschovicus 'Manhattan')
- European alder(Alnus glutinosa)
- European beech(Fagus sylvatica 'Purpurea Tricolor')
- European beech(Fagus sylvatica 'Riversii')
- European beech(Fagus sylvatica 'Rohanii')
- European beech(Fagus sylvatica 'Tricolor')
- European beech(Fagus sylvatica var. heterophylla 'Aspleniifolia')
- European fan palm(Chamaerops humilis)
- European fan palm(Chamaerops humilis var. humilis)
- European Hornbeam(Carpinus betulus)
- European Silver Fir(Abies alba)
- European white birch(Betula pendula)
- European wild ginger(Asarum europaeum)
- eurya(Eurya japonica 'Moutiers')
- euscaphis(Euscaphis japonica)
- Ever Red Lace-Leaf Japanese Maple*(Acer palmatum 'Ever Red')
- evergreen dogwood(Cornus capitata)
- evergreen Solomon's seal(Disporopsis pernyi)
- evolvulus(Evolvulus glomeratus 'Hawaiian Blue Eyes')
- evolvulus(Evolvulus nuttallianus)
- Elaeagnus(Elaeagnus spp.)
- Earth Star(Cryptanthus bivittatus)
- Emperor's Candlesticks(Senna alata)
- English Bluebell(Hyacinthoides non-scripta)
- Early Blue Violet(Viola adunca)
- Eastern Narrowleaf Sedge(Carex amphibola)
- Eastern Gamagrass(Tripsacum dactyloides)
- English Oak(Quercus robur)
- European Woodland Sedge(Carex sylvatica)
- Endres's Cranesbill(Geranium endressii)
- Eastern Cottonwood(Populus deltoides)
- Emory's Sedge(Carex emoryi)
- English Ivy(Hedera helix)
- Edelweiss(Leontopodium alpinum)
- English Yew(Taxus baccata)
- European Bladdernut(Staphylea pinnata)
- Evergreen Blackberry(Rubus laciniatus)
- Early Wintercress(Barbarea verna)
- European Water Clover(Marsilea quadrifolia)
- Elecampane(Inula helenium)
- Everbearing Raspberry(Rubus idaeus var. strigosus 'Everbearing')
- Early Anemone(Anemone blanda)
- Elk Sedge(Carex geyeri)
- Enchanter's Nightshade(Circaea lutetiana)
- English Lavender(Lavandula angustifolia)
- European Beachgrass(Ammophila arenaria)
- Edward Goucher Abelia(Abelia × grandiflora 'Edward Goucher')
- Ellesmere Island Braya(Braya humilis subsp. ellesmerensis)
- European Searocket(Cakile maritima)
- Everbearing Strawberry(Fragaria × ananassa 'Everbearing')
- Everlasting Flower(Helichrysum bracteatum (syn. Xerochrysum bracteatum))
- European Linden(Tilia × europaea)
- Easter Cactus(Schlumbergera gaertneri (syn. Hatiora gaertneri))
- Eastern Hop Hornbeam(Ostrya virginiana)
- Eastern White Pine(Pinus strobus)
- Ebony Sedge(Carex nigra)
- Egyptian Blue Water Lily(Nymphaea caerulea)
- Elm Leaved Goldenrod(Solidago ulmifolia)
- Emerald Ripple Pepper(Peperomia caperata 'Emerald Ripple')
- European Water Plantain(Alisma plantago-aquatica)
- Evergreen Azalea(Rhododendron simsii (and related evergreen Rhododendron cultivars))
- Ear Leaved Bellflower(Campanula cochleariifolia)
- Early Goldenrod(Solidago juncea)
- Early Meadow Rue(Thalictrum dioicum)
- Eastern Blazingstar(Liatris scariosa)
- Eastern Round Leaved Violet(Viola rotundifolia)
- Elderberry Rodgersia(Rodgersia sambucifolia)
- Engelmann Spruce(Picea engelmannii)
- Eggplant(Solanum melongena)
- Elephant Grass(Cenchrus purpureus (syn. Pennisetum purpureum))
- Erect Brome(Bromus erectus)
- English Holly(Ilex aquifolium)
- English Ryegrass(Lolium perenne)
- Eschscholtz's Rockcress(Boechera eschscholtziana)
- Elderberry(Sambucus nigra)
- European Ash(Fraxinus excelsior)
- Eulalia Grass(Miscanthus sinensis)
- Eared Roscoea(Roscoea auriculata)
- Eastern Pasqueflower(Pulsatilla patens)
- Egyptian Star Flower(Pentas lanceolata)
- Edible Thistle(Cirsium edule)
- Elegant Rockcress(Arabis blepharophylla)
- Erect Cinquefoil(Potentilla recta)
- Elm(Ulmus spp.)
- European Larch(Larix decidua)
- Elkhorn Fern(Platycerium bifurcatum)
- European Sea Rocket(Cakile maritima)
- Evening Primrose(Oenothera biennis)
- European Crabapple(Malus sylvestris)
- Elko Indian Paintbrush(Castilleja elkoensis)
- European Hart's Tongue Fern(Asplenium scolopendrium)
- Eastwood's Birch(Betula eastwoodiae)
F
- fairy bells(Disporum cantoniense)
- fairy bells(Disporum cantoniense 'Night Heron')
- fairy bells(Disporum lutescens)
- fairy bells(Disporum sessile 'Variegatum')
- fairy wand(Chamaelirium luteum)
- Fallgold Black Ash(Fraxinus nigra 'Fallgold')
- false aster(Boltonia asteroides)
- false aster(Boltonia asteroides 'Pink Beauty')
- false aster(Boltonia asteroides var. latisquama 'Snowbank')
- false boneset(Brickellia eupatorioides)
- false chamomile(Boltonia asteroides var. latisquama)
- false heather(Cuphea hyssopifolia)
- false hydrangea(Deinanthe bifida)
- false hydrangea(Deinanthe caerulea)
- false indigo(Amorpha fruticosa)
- false indigo(Baptisia alba)
- false indigo(Baptisia alba (Pendula Group))
- false indigo(Baptisia 'Blueberry Sundae')
- false indigo(Baptisia bracteata)
- false indigo(Baptisia bracteata var. leucophaea)
- false indigo(Baptisia 'Carolina Moonlight')
- false indigo(Baptisia 'Chocolate Chip')
- false indigo(Baptisia 'Dutch Chocolate')
- false indigo(Baptisia 'Ivory Towers')
- false indigo(Baptisia 'Lemon Meringue')
- false indigo(Baptisia perfoliata)
- false indigo(Baptisia 'Purple Smoke')
- false indigo(Baptisia variicolor 'Twilite' TWILITE PRAIRIEBLUES)
- false rue anemone(Enemion biternatum)
- false willow(Baccharis angustifolia)
- fan columbine(Aquilegia flabellata)
- fan columbine(Aquilegia flabellata 'Ministar')
- fan columbine(Aquilegia flabellata var. pumila)
- fan columbine(Aquilegia flabellata var. pumila 'Alba')
- fan columbine(Aquilegia flabellata var. pumila 'Silver Edge')
- farfugium(Farfugium japonicum var. giganteum)
- Fastigiatum Tuliptree(Liriodendron tulipifera 'Fastigiatum')
- feather celosia(Celosia argentea (Plumosa Group) 'New Look')
- feather celosia(Celosia argentea (Plumosa Group) 'Sylphid')
- feather celosia(Celosia argentea var. cristata (Plumosa Group))
- feather reed grass(Calamagrostis acutiflora)
- feather reed grass(Calamagrostis acutiflora 'Avalanche')
- feather reed grass(Calamagrostis acutiflora 'Karl Foerster')
- feather reed grass(Calamagrostis acutiflora 'Overdam')
- fennel(Foeniculum vulgare 'Purpureum')
- fennel(Foeniculum vulgare 'Smokey')
- fern-leaf yarrow(Achillea filipendulina)
- fern-leaf yarrow(Achillea filipendulina 'Altgold')
- fern-leaf yarrow(Achillea filipendulina 'Gold Coin Dwarf')
- fern-leaf yarrow(Achillea filipendulina 'Gold Plate')
- fern-leaf yarrow(Achillea filipendulina 'Parker's Variety')
- fescue(Festuca arundinacea WATER SAVER)
- fiddle-leaf fig(Ficus lyrata)
- field chickweed(Cerastium arvense)
- field pussytoes(Antennaria neglecta)
- fig(Ficus carica 'Brown Turkey')
- fig(Ficus carica 'Celeste')
- fig(Ficus carica 'Chicago Hardy')
- fig(Ficus carica 'MAJOAM' LITTLE MISS FIGGY)
- fig buttercup(Ficaria verna)
- firecracker flower(Crossandra infundibuliformis)
- Flame Amur Maple(Acer ginnala 'Flame')
- flame of the forest(Butea monosperma)
- flame violet(Episcia cupreata)
- Flamingo Boxelder(Acer negundo 'Flamingo')
- flax lily(Dianella tasmanica 'Variegata')
- fleabane(Erigeron 'Azurfee' AZURE FAIRY)
- Floating Cloud Japanese Maple(Acer palmatum 'Ukigumo')
- Florida swamp lily(Crinum americanum)
- Florist's spiraea(Astilbe japonica)
- floss flower(Ageratum houstonianum)
- floss flower(Ageratum houstonianum 'Blue Horizon')
- flowering dogwood(Cornus florida 'Appalachian Spring')
- flowering dogwood(Cornus florida 'Cloud Nine')
- flowering dogwood(Cornus florida 'Comco No. 1' CHEROKEE BRAVE)
- flowering dogwood(Cornus florida 'Daybreak')
- flowering dogwood(Cornus florida f. rubra)
- flowering dogwood(Cornus florida 'Ozark Spring')
- flowering dogwood(Cornus florida 'Purple Glory')
- flowering dogwood(Cornus florida 'Red Pygmy')
- flowering dogwood(Cornus florida 'Royal Red')
- flowering dogwood(Cornus florida 'White Cloud')
- flowering dogwood(Cornus florida 'Xanthocarpa')
- flowering quince(Chaenomeles 'Orange Storm')
- flowering quince(Chaenomeles 'Pink Storm')
- flowering quince(Chaenomeles speciosa 'Contorta')
- flowering quince(Chaenomeles superba 'Texas Scarlet')
- flowering-maple(Abutilon hybridum)
- flowering-maple(Abutilon hybridum 'Bella Red')
- flowering-maple(Abutilon 'Moonchimes')
- flowering-maple(Abutilon pictum 'Gold Dust')
- fokienia(Fokienia hodginsii)
- Forest Pansy Redbud(Cercis canadensis 'Forest Pansy')
- forsythia(Forsythia 'Arnold Dwarf')
- forsythia(Forsythia 'Courtacour' GOLDILOCKS)
- forsythia(Forsythia 'Courtasol' GOLD TIDE)
- forsythia(Forsythia 'Fiesta')
- forsythia(Forsythia intermedia 'Gold Leaf')
- forsythia(Forsythia 'Meadowlark')
- fourleaf milkweed(Asclepias quadrifolia)
- fox sedge(Carex vulpinoidea)
- foxglove(Digitalis 'Takforoiv' FOXLIGHT ROSE IVORY)
- foxtail lily(Eremurus himalaicus)
- foxtail lily(Eremurus isabellinus (Shelford Hybrids))
- fragrant abelia(Abelia mosanensis 'SMNAMDS' SWEET EMOTION)
- fragrant dracaena(Dracaena fragrans)
- Frank's sedge(Carex frankii)
- Franklin Tree(Franklinia alatamaha)
- Frans Fontaine Hornbeam(Carpinus betulus 'Frans Fontaine')
- Fraser Fir(Abies fraseri)
- Freeman maple(Acer freemanii 'Marmo')
- Freeman maple(Acer freemanii 'Scarsen' SCARLET SENTINEL)
- Fremont's leather flower(Clematis fremontii)
- French tarragon(Artemisia dracunculus 'Sativa')
- fringed pink(Dianthus superbus 'Crimsonia')
- fringed poppy mallow(Callirhoe digitata)
- fringed sedge(Carex crinita)
- fringeleaf tickseed(Coreopsis integrifolia)
- full moon maple(Acer japonicum 'O-isami')
- Fullmoon Maple(Acer japonicum)
- fumewort(Corydalis solida)
- furin-tsutsuji(Enkianthus campanulatus)
- furin-tsutsuji(Enkianthus campanulatus 'Showy Lantern')
- fuzzy deutzia(Deutzia scabra)
- fuzzy deutzia(Deutzia scabra 'Candidissima')
- fuzzy deutzia(Deutzia scabra 'Codsall Pink')
- Flowering Banana(Musa ornata)
- French Marigold(Tagetes patula)
- Fringe Cup(Tellima grandiflora)
- Foster Holly(Ilex × attenuata 'Fosteri')
- Fountainbush(Psoralea pinnata)
- Fairy Primrose(Primula malacoides)
- Fortunearia(Fortunearia sinensis)
- Fiji Palm(Pritchardia pacifica)
- Flame Of The Woods(Ixora coccinea)
- Fiber Optic Grass(Isolepis cernua)
- Fragrant Tea Olive(Osmanthus fragrans)
- Fameflower(Phemeranthus calycinus)
- Friendship Plant(Pilea involucrata)
- Formosa Firethorn(Pyracantha koidzumii)
- Fire Pink(Silene virginica)
- False Aralia(Plerandra elegantissima (syn. Schefflera elegantissima))
- False Garlic(Nothoscordum bivalve)
- Frikart Aster(Aster × frikartii)
- Florida Anise Tree(Illicium floridanum)
- Foothill Penstemon(Penstemon heterophyllus)
- Fountain Grass(Cenchrus setaceus)
- Fox Grape(Vitis labrusca)
- Florist's Cineraria(Pericallis × hybrida)
- False Spiraea(Sorbaria sorbifolia)
- Flowering Almond(Prunus glandulosa)
- Flowering Cherry(Prunus serrulata)
- Fragrant Epaulette Tree(Pterostyrax hispidus)
- Foxtail Brome(Bromus setaceus)
- False Indian Plantain(Hasteola suaveolens)
- False Yucca(Hesperaloe parviflora)
- Fancy Leafed Coral Bells(Heuchera americana 'Fancy Leafed')
- Fibrous Root Sedge(Carex communis)
- Forget Me Not(Myosotis sylvatica)
- Florida Yew(Taxus floridana)
- Finestem Needlegrass(Achnatherum lesteri)
- Fern Leaf Aralia(Polyscias filicifolia)
- Fairy Slipper(Calypso bulbosa)
- False Lily Of The Valley(Maianthemum dilatatum)
- Field Brome(Bromus arvensis)
- Firethorn(Pyracantha coccinea)
- Florida Paspalum(Paspalum notatum var. saurae)
- Four Wing Saltbush(Atriplex canescens)
- Field Garlic(Allium oleraceum)
- False Gromwell(Lithospermum officinale)
- False Dandelion(Hypochaeris radicata)
- False Sunflower(Heliopsis helianthoides)
- Few Flowered Sedge(Carex pauciflora)
- Few Seed Sedge(Carex oligosperma)
- Five Stamen Chickweed(Stellaria pentandra)
- Flannel Bush(Fremontodendron californicum)
- Feverfew(Tanacetum parthenium)
- Fritillary(Fritillaria spp.)
- Fraser Photinia(Photinia × fraseri)
- Frost Grass(Spodiopogon sibiricus)
- Flowering Ash(Fraxinus ornus)
- Fragrant Sweet Box(Sarcococca ruscifolia)
- False Shamrock(Oxalis triangularis)
- False Solomon's Seal(Maianthemum racemosum)
- Fan Flower(Scaevola aemula)
- Fanleaf Violet(Viola flabellata)
- Fernald's Milk Vetch(Astragalus fernaldii)
- Fescue Sedge(Carex festucacea)
- Field Scabious(Knautia arvensis)
- False Sinningia(Paliavouravia sinuata (syn. Sinningia leucotricha misapplied, Rechsteineria leucotricha))
- Fishtail Palm(Caryota mitis)
- Flowering Tobacco(Nicotiana alata)
- Flower Of An Hour(Hibiscus trionum)
- Five Hooked Bassia(Bassia hyssopifolia)
- Forest Bell Bush(Mackaya bella)
- Fragrant Olive(Osmanthus fragrans)
- Fireweed(Chamaenerion angustifolium)
- Fries Pussytoes(Antennaria friesiana)
- Flowering Crabapple(Malus spp. (ornamental cultivars))
- Fall Flowering Crocus(Crocus sativus, Crocus speciosus)
- False Bird Of Paradise(Heliconia rostrata)
- Fan Palm(Livistona chinensis)
- Feathertop(Pennisetum villosum)
- Fetter Bush(Lyonia lucida)
- Field Thistle(Cirsium discolor)
- Fernleaf Yellow False Foxglove(Aureolaria pedicularia)
- Fine Leaved Water Dropwort(Oenanthe aquatica)
- Finely Nerved Sedge(Carex leptonervia)
- Fischer's Chickweed(Cerastium fischerianum)
- Flexile Milkvetch(Astragalus flexuosus)
- Flat Seed False Flax(Camelina sativa subsp. alyssum)
- Foam Flower(Tiarella cordifolia)
- Floribunda Rose(Rosa 'Floribunda Group')
- Floating Marsh Marigold(Caltha palustris var. radicans)
- Florida Azalea(Rhododendron austrinum)
- Fogg's Goosefoot(Chenopodium foggii)
- Formosan Gum(Liquidambar formosana)
- Forked Wormwood(Artemisia furcata)
- Forked Three Awned Grass(Aristida dichotoma)
- Formosan Lily(Lilium formosanum)
- Fothergilla(Fothergilla spp.)
- Foxtail Sedge(Carex alopecuroides)
- Fragrant Snowbell(Styrax obassia)
- Freesia(Freesia refracta)
- Freckled Milk Vetch(Astragalus lentiginosus)
- Fringed Brome(Bromus ciliatus)
- Fringed Rosemallow(Hibiscus schizopetalus)
- Four Corners Rockcress(Boechera quadrangulensis)
- Fremont's Goosefoot(Chenopodium fremontii)
- Foxtail Bog Clubmoss(Lycopodiella alopecuroides)
- Fernleaf Peony(Paeonia tenuifolia)
- French Lace(Hydrangea macrophylla 'French Lace')
- Field Sedge(Carex praegracilis)
- Five Spot(Nemophila maculata)
- French Honeysuckle(Hedysarum coronarium)
- Forest Sedge(Carex sylvatica)
G
- Gala Apple(Malus 'Gala')
- garden angelica(Angelica archangelica)
- garden mum(Chrysanthemum 'Matchsticks')
- garden mum(Chrysanthemum morifolium 'Bedazzled Bronze')
- garden pinks(Dianthus 'Rainbow Loveliness')
- garden rockcress(Arabis caucasica)
- garlic(Allium sativum 'Inchelium Red')
- garlic(Allium sativum 'Music')
- garlic(Allium sativum 'Spanish Roja')
- garlic chives(Allium tuberosum)
- Gattinger's prairie clover(Dalea gattingeri)
- German garlic(Allium lusitanicum)
- German garlic(Allium senescens)
- German garlic(Allium senescens 'Blue Eddy')
- German garlic(Allium senescens 'Blue Twister')
- German garlic(Allium senescens subsp. glaucum)
- giant cane bamboo(Arundinaria gigantea)
- giant desert candle(Eremurus robustus)
- giant elephant's ear(Alocasia macrorrhizos)
- giant elephant's ear(Colocasia gigantea)
- giant elephant's ear(Colocasia gigantea 'Thailand Giant Strain')
- giant hyssop(Agastache 'Apricot Sunrise')
- giant hyssop(Agastache 'Ava')
- giant hyssop(Agastache 'Black Adder')
- giant hyssop(Agastache 'Blue Boa')
- giant hyssop(Agastache 'Blue Fortune')
- giant hyssop(Agastache 'Bolero')
- giant hyssop(Agastache 'Firebird')
- giant hyssop(Agastache 'Garden Leader Blue')
- giant hyssop(Agastache 'Pink Pop')
- giant hyssop(Agastache 'Purple Haze')
- giant hyssop(Agastache 'Raspberry Summer')
- giant hyssop(Agastache rugosa 'Honey Bee Blue')
- giant hyssop(Agastache 'Summer Love')
- giant hyssop(Agastache 'Tutti-frutti')
- giant larkspur(Consolida ajacis)
- giant lemon(Citrus 'Ponderosa')
- giant lily(Cardiocrinum giganteum)
- giant lily(Cardiocrinum giganteum var. yunnanense)
- giant milkweed(Calotropis gigantea)
- giant pincushion flower(Cephalaria gigantea)
- giant reed(Arundo donax)
- ginger lily(Alpinia japonica)
- Ginkgo(Ginkgo biloba)
- glade fern(Diplazium pycnocarpon)
- globe thistle(Echinops bannaticus)
- globe thistle(Echinops gmelinii)
- glory bower(Clerodendrum splendens)
- glory flower(Eccremocarpus scaber)
- glory of the snow(Chionodoxa forbesii 'Blue Giant')
- glory of the snow(Chionodoxa luciliae)
- glory of the snow(Chionodoxa luciliae 'Alba')
- glory of the snow(Chionodoxa 'Pink Giant')
- glory-bower(Clerodendrum wallichii)
- glossy abelia(Abelia grandiflora)
- glossy abelia(Abelia grandiflora 'Hopleys' MISS LEMON)
- glossy abelia(Abelia grandiflora 'Kaleidoscope')
- glossy abelia(Abelia grandiflora 'MINDUO1' SUNNY ANNIVERSARY)
- glossy abelia(Abelia grandiflora 'Minipan' GOLDEN ANNIVERSARY)
- glossy abelia(Abelia grandiflora 'Panache' SILVER ANNIVERSARY)
- glossy abelia(Abelia grandiflora 'Sherwoodii')
- glossy-leaved paper plant(Fatsia japonica)
- Glowing Embers Japanese Maple*(Acer palmatum 'Glowing Embers')
- goat's beard(Aruncus aethusifolius)
- goat's beard(Aruncus dioicus)
- goatsbeard(Aruncus dioicus 'Kneiffii')
- goatsbeard(Aruncus dioicus 'Zweiweltenkind')
- Gold Rider Leyland Cypress(Cupressocyparis x leylandii 'Gold Rider')
- Gold Rush Dawn Redwood(Metasequoia glyptostroboides 'Gold Rush')
- Gold Star Magnolia(Magnolia 'Gold Star')
- golden aster(Chrysopsis mariana)
- Golden Catalpa(Catalpa bignonioides 'Aurea')
- golden chamomile(Anthemis tinctoria)
- golden chamomile(Anthemis tinctoria 'Charme')
- Golden Cornelian Cherry Dogwood(Cornus mas 'Aurea')
- Golden Delicious Apple(Malus 'Golden Delicious')
- Golden Deodar Cedar(Cedrus deodara 'Aurea')
- golden dewdrops(Duranta erecta)
- Golden Full Moon Maple(Acer shirasawanum 'Aureum')
- Golden Fullmoon Maple(Acer japonicum 'Aureum')
- golden garlic(Allium moly)
- Golden Gift Magnolia(Magnolia 'Golden Gift')
- Golden Hinoki Falsecypress(Chamaecyparis obtusa 'Aurea')
- golden knee(Chrysogonum virginianum)
- Golden Korean Fir(Abies koreana 'Aurea')
- golden marguerite(Anthemis tinctoria 'Moonlight')
- Golden Norway Spruce(Picea abies 'Aurea')
- golden pothos(Epipremnum aureum)
- Golden Rain Tree(Koelreuteria paniculata)
- Golden Russet Apple(Malus 'Golden Russet')
- golden spaniard(Aciphylla aurea)
- golden-bell clematis(Clematis tangutica)
- golden-bell clematis(Clematis tangutica subsp. obtusiuscula 'Gravetye Variety')
- goldenstar(Chrysogonum virginianum 'Allen Bush')
- goldie's shield fern(Dryopteris goldiana)
- gopherweed(Baptisia lanceolata)
- goumi(Elaeagnus multiflora)
- grand fir(Abies grandis)
- Grandma Ghost Japanese Maple*(Acer palmatum 'Grandma Ghost')
- Granny Smith Apple(Malus 'Granny Smith')
- grape ivy(Cissus alata)
- grass pink orchid(Calopogon tuberosus)
- grassy-leaved sweet flag(Acorus gramineus)
- grassy-leaved sweet flag(Acorus gramineus 'Minimus Aureus')
- grassy-leaved sweet flag(Acorus gramineus 'Oborozuki')
- grassy-leaved sweet flag(Acorus gramineus 'Ogon')
- grassy-leaved sweet flag(Acorus gramineus 'Variegatus')
- Gravenstein Apple(Malus 'Gravenstein')
- gray dogwood(Cornus racemosa)
- gray sedge(Carex grayi)
- great globe thistle(Echinops sphaerocephalus)
- great globe thistle(Echinops sphaerocephalus 'Arctic Glow')
- great Indian plantain(Arnoglossum reniforme)
- greater celandine(Chelidonium majus)
- greater masterwort(Astrantia 'Buckland')
- greater masterwort(Astrantia 'Magnum Blush')
- greater masterwort(Astrantia major)
- greater masterwort(Astrantia major 'Ruby Cloud')
- greater masterwort(Astrantia major subsp. involucrata 'Shaggy')
- greater masterwort(Astrantia 'Superstar')
- greater straw sedge(Carex normalis)
- greater tickseed(Coreopsis major)
- Green Arrow Nootka Cypress(Chamaecyparis nootkatensis 'Green Arrow')
- Green Cascade Maple(Acer japonicum 'Green Cascade')
- green eyes(Berlandiera texana)
- green hawthorn(Crataegus viridis)
- green hawthorn(Crataegus viridis 'Winter King')
- Green Hornet Cutleaf Japanese Maple*(Acer palmatum 'Green Hornet')
- green milkweed(Asclepias viridis)
- Green Mist Japanese Maple*(Acer palmatum 'Green Mist')
- Green Mountain Sugar Maple(Acer saccharum 'Green Mountain')
- Green Prince Cedar of Lebanon(Cedrus libani 'Green Prince')
- greenstem forsythia(Forsythia viridissima 'Border Gem')
- greenstem forsythia(Forsythia viridissima 'Bronxensis')
- grey alder(Alnus incana)
- ground plum(Astragalus crassicarpus)
- gumbo-limbo(Bursera simaruba)
- Garden Balsam(Impatiens balsamina)
- Gaura(Oenothera lindheimeri)
- Garden Pea(Pisum sativum)
- Golden Privet(Ligustrum ovalifolium 'Aureum')
- Giant Sequoia(Sequoiadendron giganteum)
- German Madwort(Asperugo procumbens)
- Grape(Vitis vinifera)
- Garden Aubrieta(Aubrieta deltoidea)
- Gardenia(Gardenia jasminoides)
- Golden Globes Loosestrife(Lysimachia congestiflora 'Golden Globes')
- Green Pitcherplant(Sarracenia oreophila)
- Golden Larch(Pseudolarix amabilis)
- Garden Phlox(Phlox paniculata)
- Gentian(Gentiana acaulis)
- Gloxinia(Sinningia speciosa)
- Gymnaster(Gymnaster savatieri)
- Gunnera(Gunnera manicata)
- Gentian Speedwell(Veronica gentianoides)
- Globe Amaranth(Gomphrena globosa)
- Gooseneck Loosestrife(Lysimachia clethroides)
- Great Ironweed(Vernonia gigantea)
- Greenland Birch(Betula pubescens subsp. tortuosa)
- Golden Willow(Salix alba var. vitellina)
- Great Pignut(Bunium bulbocastanum)
- Garden Yellow Loosestrife(Lysimachia punctata)
- Garden Yellowrocket(Barbarea vulgaris)
- Giant Hogweed(Heracleum mantegazzianum)
- Giesecke's Bellflower(Campanula giesekiana)
- Golden Rayed Lily(Lilium auratum)
- Goldflame Honeysuckle(Lonicera × heckrottii 'Goldflame')
- Graham's Rockcress(Boechera grahamii)
- Greek Oregano(Origanum vulgare subsp. hirtum)
- Giant Angelica(Angelica gigas)
- Gattinger's Agalinis(Agalinis gattingeri)
- Giant Rhubarb(Gunnera manicata)
- Gold Dust Dracaena(Dracaena surculosa 'Florida Beauty')
- Golden Shrimp Plant(Pachystachys lutea)
- Grassy Arrowhead(Sagittaria graminea)
- Greenland Rockcress(Boechera groenlandica)
- Green Dragon(Arisaema dracontium)
- Grey Blue Koeleria(Koeleria glauca)
- Globe Flower(Trollius europaeus)
- Golden Alexander(Zizia aurea)
- Giant Bellflower(Campanula latifolia 'Gantel E')
- Giant Chain Fern(Woodwardia fimbriata)
- Garry Oak(Quercus garryana)
- Glade Mallow(Napaea dioica)
- Globularia(Globularia spp.)
- Glory Bush(Tibouchina urvilleana)
- Glossy Privet(Ligustrum lucidum)
- Golden Barrel Cactus(Echinocactus grusonii)
- Golden Calla(Zantedeschia elliottiana)
- Greater Burnet(Sanguisorba officinalis)
- Grandiflora Rose(Rosa 'Grandiflora' group)
- Green Arrow Arum(Peltandra virginica)
- Gentian Sage(Salvia patens)
- Germander(Teucrium chamaedrys)
- Giant Rye Grass(Leymus condensatus)
- Glabrous Saltbush(Atriplex glabriuscula)
- Gloriosa Lily(Gloriosa superba)
- Glomerate Sedge(Carex aggregata)
- Glumicalyx(Glumicalyx spp.)
- Geranium(Pelargonium × hortorum)
- Gmelin's Saltbush(Atriplex gmelinii)
- Goldenrod(Solidago canadensis)
- Gmelin's Sedge(Carex gmelinii)
- Golden Oregano(Origanum vulgare 'Aureum')
- Goniolimon(Goniolimon spp.)
- Gooseberry(Ribes uva-crispa)
- Grape Hyacinth(Muscari armeniacum)
- Geyer's Onion(Allium geyeri)
- Grasslike Sedge(Carex panicea)
- Great Ragweed(Ambrosia trifida)
- Greenish Sedge(Carex flava)
- Goat's Rue(Galega officinalis)
- Greenleaf Rabbit Brush(Ericameria teretifolia)
- Greigii Tulip(Tulipa greigii)
- Grey Head Coneflower(Ratibida pinnata)
- Gum Plant(Grindelia robusta)
- Green Sheathed Sedge(Carex livida)
- Garden Verbena(Verbena × hybrida)
- Gaga Imo(Dioscorea bulbifera 'Gaga Imo')
- Giant Summer Hyacinth(Ornithogalum candicans)
- Giant Ironweed(Vernonia gigantea)
- Giant Red Indian Paintbrush(Castilleja miniata)
- Gladiolus(Gladiolus spp.)
- Goeppertia(Goeppertia spp.)
- Gold Leaf Tansy(Tanacetum vulgare 'Isla Gold')
- Golden Club(Orontium aquaticum)
- Golden Paintbrush(Castilleja levisecta)
- Golden Ragwort(Packera aurea)
- Great St John's Wort(Hypericum ascyron)
- Green Ash(Fraxinus pennsylvanica)
- Green Bulrush(Scirpus atrovirens)
- Green Spleenwort(Asplenium viride)
- Golden Fruit Sedge(Carex aurea)
- Guiana Chestnut(Pachira aquatica)
- Great Chickweed(Stellaria holostea)
- Great Blue Cardinal Flower(Lobelia siphilitica)
- Green Comet Milkweed(Asclepias viridiflora)
- Green Alder(Alnus alnobetula)
H
- habanero pepper(Capsicum chinense 'Roulette')
- hackberry(Celtis occidentalis)
- hard fescue(Festuca longifolia)
- hardy bamboo(Fargesia rufa)
- hardy begonia(Begonia grandis)
- hardy begonia(Begonia grandis subsp. evansiana)
- hardy kiwi(Actinidia arguta)
- hardy kiwi vine(Actinidia arguta 'Issai')
- hardy pecan(Carya illinoinensis)
- hardy pecan(Carya illinoinensis 'Montgomery')
- hardy rubber tree(Eucommia ulmoides)
- hardy yellow iceplant(Delosperma nubigenum)
- hare's foot fern(Davallia canariensis)
- Harland boxwood(Buxus harlandii)
- Harlequin Glorybower(Clerodendrum trichotomum)
- Harlequin Norway Maple(Acer platanoides 'Drummondii')
- Harry Lauder's walking stick(Corylus avellana 'Contorta')
- hart's tongue fern(Asplenium scolopendrium)
- hart's tongue fern(Asplenium scolopendrium (Crispum Group))
- hart's tongue fern(Asplenium scolopendrium (Undulatum Group))
- hawthorn(Crataegus coccinea)
- hawthorn(Crataegus lavalleei)
- hawthorn(Crataegus nitida)
- hawthorn(Crataegus punctata 'Ohio Pioneer')
- hay-scented fern(Dennstaedtia punctilobula)
- Hayden's sedge(Carex haydenii)
- hazel alder(Alnus incana subsp. rugosa)
- hazel alder(Alnus serrulata)
- hazelnut(Corylus avellana 'Red Dragon')
- Heart Throb Chinese Dogwood(Cornus kousa 'Heart Throb')
- heartleaf madeiravine(Anredera cordifolia)
- Hearts of Gold Redbud(Cercis canadensis 'Hearts of Gold')
- hedge maple(Acer campestre)
- hedge maple(Acer campestre 'Evelyn' QUEEN ELIZABETH)
- hedge maple(Acer campestre 'Postelense')
- hemp agrimony(Eupatorium chinense)
- hen's eyes(Ardisia crenata)
- Hessei Japanese Maple(Acer palmatum 'Hessei')
- hickory(Carya laneyi)
- Higasa Yama Japanese Maple(Acer palmatum 'Higasa Yama')
- Himalayan birch(Betula utilis var. jacquemontii)
- Himalayan cedar(Cedrus deodara 'Shalimar')
- Himalayan mint shrub(Colquhounia coccinea)
- hinoki cypress(Chamaecyparis obtusa 'Golden Whorl')
- hinoki cypress(Chamaecyparis obtusa 'Kosteri')
- hinoki cypress(Chamaecyparis obtusa 'Nana')
- hinoki cypress(Chamaecyparis obtusa 'Verdon')
- Hogyoku Japanese Maple(Acer palmatum 'Hogyoku')
- holly-leaved barberry(Berberis aquifolium)
- hollyhock(Alcea rosea)
- hollyhock(Alcea rosea 'Nigra')
- hollyhock(Alcea rosea (single))
- hollyhock(Alcea rugosa)
- Honeycrisp Apple(Malus 'Honeycrisp')
- Hong Kong orchid tree(Bauhinia blakeana)
- Hooker's onion(Allium hookeri var. muliense)
- horn-of-plenty(Datura metel)
- hornbeam(Carpinus cordata)
- hornbeam maple(Acer carpinifolium)
- horse balm(Collinsonia canadensis)
- horse chestnut(Aesculus hippocastanum)
- horse chestnut(Aesculus hippocastanum 'Baumannii')
- horseradish(Armoracia rusticana)
- hot pepper(Capsicum annuum 'Holy Mole')
- hot water plant(Achimenes (group))
- Hot Wings Tatarian Maple(Acer tataricum 'GarAnn')
- Hubb's Red Willow Japanese Maple(Acer palmatum 'Hubb's Red Willow')
- hummingbird's mint(Agastache cana)
- hummingbird's mint(Agastache 'Violet Vision')
- hummingbird's trumpet(Epilobium californica 'Bowman')
- hybrid dogwood(Cornus 'Kn30 8' VENUS)
- hybrid painted fern(Athyrium 'Ocean's Fury')
- hybrid strawberry tree(Arbutus andrachnoides)
- hybrid tuberous begonia(Begonia FUNKY PINK)
- hybrid tuberous begonia(Begonia tuberhybrida 'Jurassic Pink Splash')
- hybrid tuberous begonia(Begonia tuberhybrida 'Jurassic Silver Swirl')
- hybrid tuberous begonia(Begonia (Tuberosa Group))
- Himalayan Pine(Pinus wallichiana)
- Hispid Starburr(Acanthospermum hispidum)
- Halcyon Hosta(Hosta 'Halcyon')
- Houttuynia(Houttuynia cordata)
- Hildegardia(Hildegardia spp.)
- Hard Rush(Juncus inflexus)
- Heliotrope(Heliotropium arborescens)
- Host Sedge(Carex plantaginea)
- Hardy Fuchsia(Fuchsia magellanica)
- Hydnocarpus(Hydnocarpus spp.)
- Hybrid Rugosa Rose(Rosa × rugosa hybrids)
- Holly(Ilex aquifolium)
- Hebe(Hebe spp.)
- Hemigraphis(Hemigraphis alternata)
- Heliconia(Heliconia spp.)
- Hybrid Fireweed(Chamerion angustifolium 'Album' or interspecific Chamerion hybrids)
- Heavy Sedge(Carex gravida)
- Hainan White Pine(Pinus fenzeliana)
- Hacquetia(Hacquetia epipactis (syn. Sanicula epipactis))
- Henna(Lawsonia inermis)
- Hens And Chicks(Sempervivum tectorum)
- Hybrid Moyesii Rose(Rosa hybrida moyesii group)
- Hino Crimson Azalea(Rhododendron 'Hino Crimson')
- Harsh Paintbrush(Castilleja hispida)
- Hyssop(Hyssopus officinalis)
- Hybrid Witch Hazel(Hamamelis × intermedia)
- Hardy Water Lily(Nymphaea spp. (hardy cultivars))
- Hairy Aster(Symphyotrichum pilosum)
- Hepatica(Hepatica nobilis (syn. Anemone hepatica))
- Heart Leaved Bittercress(Cardamine cordifolia)
- High Mallow(Malva sylvestris)
- Himalayan Honeysuckle(Leycesteria formosa)
- Hop Hornbeam(Ostrya virginiana)
- Hungarian Oak(Quercus frainetto)
- Hollywood Juniper(Juniperus chinensis 'Torulosa')
- Hybrid Wichurana Rose(Rosa × wichurana)
- Holly Olive(Osmanthus heterophyllus)
- Hardy Geranium(Geranium spp. (section Geranium))
- Hibiscus(Hibiscus rosa-sinensis)
- Hardy Impatiens(Impatiens hawkeri)
- Hardy Hibiscus(Hibiscus moscheutos)
- Highclere Holly(Ilex x altaclerensis)
- Hooker's Willow(Salix hookeriana)
- Hybrid Multiflora Rose(Rosa multiflora 'Hybrida')
- Hybrid Perpetual Rose(Rosa × hybrida perpetua)
- Hairy Fruited Sedge(Carex trichocarpa)
- Half High Blueberry(Vaccinium corymbosum × Vaccinium angustifolium)
- Hammer Sedge(Carex hirta)
- Harvest Brodiaea(Brodiaea elegans)
- Heartleaf Iceplant(Mesembryanthemum cordifolium (syn. Aptenia cordifolia))
- Heartleaf Birch(Betula cordifolia)
- Hedge Bindweed(Calystegia sepium)
- Heath Aster(Symphyotrichum ericoides)
- Hellebore(Helleborus spp.)
- House Leek(Sempervivum tectorum)
- Herbst's Bloodleaf(Iresine herbstii)
- Higan Cherry(Prunus subhirtella)
- Howell's Pussytoes(Antennaria howellii)
- Harvest Firecracker Flower(Crossandra infundibuliformis 'Harvest')
- Hairy Angelica(Angelica venenosa)
- Hairy Marsh Mallow(Althaea hirsuta)
- Hairy Manzanita(Arctostaphylos columbiana)
- Hairy Owl's Clover(Castilleja tenuis)
- Hawaiian Cotton(Gossypium tomentosum)
- Hardy Primrose(Primula vulgaris)
- Henry's Virginia Creeper(Parthenocissus henryana)
- Himalayan Balsam(Impatiens glandulifera)
- Hoary Sedge(Carex canescens)
- Hoary Vervain(Verbena stricta)
- Horsehead Philodendron(Philodendron bipennifolium)
- Hood's Sedge(Carex hoodii)
- Heartleaf Arnica(Arnica cordifolia)
- Hyacinth Bean(Lablab purpureus)
- Hosta(Hosta spp.)
- Hybrid Philodendron(Philodendron hybridum (group))
- Hylotelephium(Hylotelephium spp.)
- Honey Locust(Gleditsia triacanthos)
- Holboell's Rockcress(Boechera holboellii)
- Hairy Beardtongue(Penstemon hirsutus)
- Hairy Bitter Cress(Cardamine hirsuta)
- Hairy False Bindweed(Calystegia pubescens)
- Hair Like Sedge(Carex capillaris)
- Hairy Grama(Bouteloua hirsuta)
- Heart Leaved Skullcap(Scutellaria ovata)
- Henderson's Sedge(Carex hendersonii)
- Highbush Blueberry(Vaccinium corymbosum)
- Hillside Milkvetch(Astragalus collinus)
- Hoary Goosefoot(Chenopodium incanum)
- Honeysuckle(Lonicera spp.)
- Hop Tree(Ptelea trifoliata)
- Hooker's Balsamroot(Balsamorhiza hookeri)
- Hidden Sedge(Carex cryptolepis)
- Hudson Bay Sedge(Carex aquatilis var. minor)
- Heavenly Bamboo(Nandina domestica)
- Hybrid Barrenwort(Epimedium × versicolor)
- Hybrid Lenten Rose(Helleborus × hybridus)
- Hybrid Pitcher Plant(Nepenthes × hybrida)
- Hybrid Sedge(Carex x hybrida)
- Hydrangea(Hydrangea macrophylla)
- Hardy Orange(Poncirus trifoliata (syn. Citrus trifoliata))
- Hooded Pitcher Plant(Sarracenia minor)
- Hybrid Tea Rose(Rosa hybrida (Hybrid Tea Group))
- Hop Sedge(Carex lupulina)
- Haller's Pasque Flower(Pulsatilla halleri)
- Hairy Wood Brome(Bromus pubescens)
- Hemlock Dwarf Mistletoe(Arceuthobium tsugense)
- Hybrid Milkweed(Asclepias x hybrida)
- Hairy Arnica(Arnica mollis)
- Holm's Rocky Mountain Sedge(Carex scopulorum var. holmii)
- Hybrid Ornamental Onion(Allium × hybridum)
- Honeyberry(Lonicera caerulea var. edulis)
- Hoary Pincushion(Chaenactis douglasii)
- Hall's Sedge(Carex halliana)
- Hirsute Sedge(Carex hirta)
I
- ice plant(Delosperma cooperi)
- ice plant(Delosperma 'Kelaidis')
- ice plant(Delosperma rogersii 'Mini Wine')
- Iijima Sunago Japanese Maple(Acer palmatum 'Iijima Sunago')
- Inaba Shidare Cutleaf Japanese Maple(Acer palmatum 'Inaba Shidare')
- Inazuma Japanese Maple(Acer palmatum 'Inazuma')
- inca lily(Alstroemeria ligtu subsp. incarnata)
- India rubber plant(Ficus elastica 'Burgundy')
- Indian hemp(Apocynum cannabinum)
- Indian horse chustnut(Aesculus indica 'Sydney Pearce')
- Indian paintbrush(Castilleja coccinea)
- Indian rubberplant(Ficus elastica)
- Indian tree spurge(Euphorbia tirucalli)
- Indonesian gum(Eucalyptus deglupta)
- inland New Jersey tea(Ceanothus herbaceus)
- intermediate wood fern(Dryopteris intermedia)
- iron cross begonia(Begonia masoniana)
- Italian alder(Alnus cordata)
- Italian arum(Arum italicum)
- Italian arum(Arum italicum subsp. italicum 'Marmoratum')
- Italian aster(Aster amellus 'Veilchenkönigin' VIOLET QUEEN)
- Italian cypress(Cupressus sempervirens)
- Italian cypress(Cupressus sempervirens 'Glauca')
- Italian cypress(Cupressus sempervirens subsp. dupreziana)
- ivy-leaved maple(Acer cissifolium)
- Indigo(Indigofera tinctoria)
- Indian Pink(Spigelia marilandica)
- Irish Moss(Sagina subulata)
- Iberian Spirea(Spiraea hypericifolia)
- Indian Jujube(Ziziphus mauritiana)
- Irish Yew(Taxus baccata 'Fastigiata')
- Indonesian Wax Ginger(Tapeinochilos ananassae)
- Icelandic Poppy(Papaver nudicaule)
- Idaho Fescue(Festuca idahoensis)
- Indian Mulberry(Morinda citrifolia)
- Indian Valley Brodiaea(Brodiaea insignis)
- Indian Physic(Gillenia trifoliata)
- Incarvillea(Incarvillea delavayi)
- Inch Plant(Tradescantia zebrina)
- Indian Blanket(Gaillardia pulchella)
- Idaho Bentgrass(Agrostis idahoensis)
- Indian Hawthorn(Rhaphiolepis indica)
- Ingwersen's Variety Bigroot Geranium(Geranium macrorrhizum 'Ingwersen's Variety')
- Intermediate Iris(Iris × germanica 'Intermedia')
- Intermediate Enchanter's Nightshade(Circaea lutetiana subsp. intermedia)
- India Hawthorn(Rhaphiolepis indica)
- Ilima(Sida fallax)
- Inflated Narrow Leaf Sedge(Carex vesicaria)
- Indian Plum(Oemleria cerasiformis)
- Inflated Sedge(Carex vesicaria)
- Inkberry(Ilex glabra)
- Interrupted Fern(Osmunda claytoniana)
- Iowa Golden Saxifrage(Chrysosplenium iowense)
- Inula(Inula spp.)
- Italian Parsley(Petroselinum crispum var. neapolitanum)
- Iris(Iris spp.)
- Ixia(Ixia spp.)
- Ironweed(Vernonia fasciculata)
- Impatiens(Impatiens walleriana)
- Indian Grass(Sorghastrum nutans)
J
- jack-in-the-pulpit(Arisaema triphyllum)
- jackfruit(Artocarpus heterophyllus)
- Jacob's coat(Acalypha wilkesiana)
- jade plant(Crassula ovata)
- Japanese alder(Alnus japonica)
- Japanese anemone(Anemone hupehensis 'Hadspen Abundance')
- Japanese anemone(Anemone hupehensis var. japonica 'Bodnant Burgundy')
- Japanese anemone(Anemone hupehensis var. japonica 'Pamina')
- Japanese anemone(Anemone hupehensis var. japonica 'Prinz Heinrich')
- Japanese anemone(Anemone hybrida 'September Charm')
- Japanese anemone(Anemone 'Red Riding Hood')
- Japanese barberry(Berberis 'Tara' EMERALD CAROUSEL)
- Japanese barberry(Berberis thunbergii)
- Japanese barberry(Berberis thunbergii 'Aurea')
- Japanese barberry(Berberis thunbergii f. atropurpurea)
- Japanese barberry(Berberis thunbergii f. atropurpurea 'Atropurpurea Nana')
- Japanese barberry(Berberis thunbergii f. atropurpurea 'Bagatelle')
- Japanese barberry(Berberis thunbergii f. atropurpurea 'Harlequin')
- Japanese barberry(Berberis thunbergii f. atropurpurea 'Helmond Pillar')
- Japanese barberry(Berberis thunbergii f. atropurpurea 'Rose Glow')
- Japanese barberry(Berberis thunbergii 'Kobold')
- Japanese barberry(Berberis thunbergii 'Maria' SUNJOY GOLD PILLAR)
- Japanese barberry(Berberis thunbergii 'Pygruzam' PYGMY RUBY)
- Japanese barberry(Berberis thunbergii 'Royal Cloak')
- Japanese barberry(Berberis thunbergii 'Talago' SUNJOY GOLD BERET)
- Japanese beautyberry(Callicarpa japonica)
- Japanese Blueberry Tree(Elaeocarpus decipiens)
- Japanese boxwood(Buxus microphylla var. japonica)
- Japanese boxwood(Buxus microphylla var. japonica 'Green Beauty')
- Japanese boxwood(Buxus microphylla var. japonica 'Morris Midget')
- Japanese boxwood(Buxus microphylla var. japonica 'National')
- Japanese boxwood(Buxus microphylla var. japonica 'Winter Gem')
- Japanese Cedar(Cryptomeria japonica)
- Japanese cedar(Cryptomeria japonica 'Elegans Nana')
- Japanese cedar(Cryptomeria japonica 'Radicans')
- Japanese cedar(Cryptomeria japonica 'Spiralis')
- Japanese chestnut(Castanea crenata)
- Japanese clethra(Clethra barbinervis)
- Japanese cobra lily(Arisaema kishidae 'Silver Pattern')
- Japanese cornelian cherry(Cornus officinalis)
- Japanese falsecypress(Chamaecyparis pisifera 'Aurea Pendula')
- Japanese falsecypress(Chamaecyparis pisifera 'Cream Ball')
- Japanese falsecypress(Chamaecyparis pisifera 'Curly Tops')
- Japanese falsecypress(Chamaecyparis pisifera 'Gold Spangle')
- Japanese falsecypress(Chamaecyparis pisifera 'Golden Charm')
- Japanese falsecypress(Chamaecyparis pisifera 'Golden Mop')
- Japanese falsecypress(Chamaecyparis pisifera 'Golden Pincushion')
- Japanese falsecypress(Chamaecyparis pisifera 'Kost Yellow')
- Japanese falsecypress(Chamaecyparis pisifera 'Lemon Thread')
- Japanese falsecypress(Chamaecyparis pisifera 'Squarrosa Intermedia')
- Japanese falsecypress(Chamaecyparis pisifera 'Sungold')
- Japanese falsecypress(Chamaecyparis pisifera 'Tsukumo')
- Japanese falsecypress(Chamaecyparis pisifera 'Vintage Gold')
- Japanese grass sedge(Carex morrowii)
- Japanese grass sedge(Carex morrowii 'Goldband')
- Japanese grass sedge(Carex morrowii var. temnolepis 'Silk Tassel')
- Japanese grass sedge(Carex morrowii 'Variegata')
- Japanese holly fern(Cyrtomium falcatum)
- Japanese holly fern(Cyrtomium fortunei)
- Japanese Hornbeam(Carpinus japonica)
- Japanese knotweed(Fallopia japonica var. compacta)
- Japanese lady fern(Deparia petersenii)
- Japanese Maple(Acer palmatum)
- Japanese maple(Acer palmatum 'Germaine's Gyration')
- Japanese maple(Acer palmatum 'Shishio Improved')
- Japanese maple(Acer palmatum var. dissectum 'Inaba-shidare')
- Japanese painted fern(Athyrium 'Branford Rambler')
- Japanese painted fern(Athyrium niponicum 'Crested Surf')
- Japanese painted fern(Athyrium niponicum var. pictum)
- Japanese painted fern(Athyrium niponicum var. pictum 'Apple Court')
- Japanese painted fern(Athyrium niponicum var. pictum 'Burgundy Lace')
- Japanese painted fern(Athyrium niponicum var. pictum 'Metallicum')
- Japanese painted fern(Athyrium niponicum var. pictum 'Pewter Lace')
- Japanese painted fern(Athyrium niponicum var. pictum 'Red Beauty')
- Japanese painted fern(Athyrium niponicum var. pictum 'Silver Falls')
- Japanese painted fern(Athyrium niponicum var. pictum 'Ursula's Red')
- Japanese parsley(Cryptotaenia japonica f. atropurpurea)
- Japanese Persimmon(Diospyros kaki)
- Japanese persimmon(Diospyros kaki 'Dagaishi')
- Japanese plum yew(Cephalotaxus harringtonia)
- Japanese plum yew(Cephalotaxus harringtonia 'Fastigiata')
- Japanese quince(Chaenomeles japonica)
- Japanese quince(Chaenomeles japonica var. alpina)
- Japanese shield fern(Dryopteris erythrosora)
- Japanese spikenard(Aralia cordata)
- Japanese spikenard(Aralia cordata 'Sun King')
- Japanese thimbleweed(Anemone hupehensis)
- Japanese turtlehead(Chelonopsis yagiharana)
- Japanese white birch(Betula platyphylla)
- Japanese white birch(Betula platyphylla 'Fargo' DAKOTA PINNACLE)
- Jepson's Oregon-grape(Berberis dictyota)
- jewel plant(Bertolonia maculata)
- Jiro Shidare Japanese Maple(Acer palmatum 'Jiro Shidare')
- Joe Pye weed(Eupatorium 'Phantom')
- Joe Pye weed(Eutrochium dubium 'Baby Joe')
- Joe Pye weed(Eutrochium dubium 'Little Joe')
- Joe Pye weed(Eutrochium fistulosum 'Atropurpurea')
- Joe Pye weed(Eutrochium maculatum)
- Joe Pye weed(Eutrochium maculatum 'Gateway')
- Joe Pye weed(Eutrochium purpureum)
- Joe Pye weed(Eutrochium purpureum 'FLOREUPRE1' EUPHORIA RUBY)
- Joe Pye weed(Eutrochium purpureum 'Little Red')
- Joe Witt Snakebark Maple(Acer tegmentosum 'Joe Witt')
- Joe-pyeweed(Eutrochium fistulosum)
- Johin Japanese Maple(Acer 'Johin')
- Jonagold Apple(Malus 'Jonagold')
- Jonathan Apple(Malus 'Jonathan')
- Joseph's coat(Alternanthera dentata)
- Joseph's coat(Alternanthera ficoidea)
- Joseph's coat(Amaranthus tricolor)
- Judas tree(Cercis siliquastrum)
- juneberry(Amelanchier lamarckii)
- Junebearing Strawberry(Fragaria × ananassa (June-bearing cultivars))
- Japanese Tree Lilac(Syringa reticulata subsp. reticulata)
- Japanese Pepper(Zanthoxylum piperitum)
- Java Waterdropwort(Oenanthe javanica)
- Japanese Privet(Ligustrum japonicum)
- Japanese Flowering Cherry(Prunus serrulata)
- Japanese Holly(Ilex crenata)
- Japanese Red Pine(Pinus densiflora)
- Japanese Pachysandra(Pachysandra terminalis)
- Japanese Viburnum(Viburnum japonicum)
- Japanese Shrub Mint(Elsholtzia ciliata)
- Japanese Snowbell(Styrax japonicus)
- Japanese Stewartia(Stewartia pseudocamellia)
- Japanese Water Iris(Iris ensata)
- Jade Vine(Strongylodon macrobotrys)
- Japanese Skimmia(Skimmia japonica)
- Japanese Zelkova(Zelkova serrata)
- Japanese Arborvitae(Thuja standishii)
- Japanese Sweetspire(Itea japonica)
- Japanese Honeysuckle(Lonicera japonica)
- Jeffrey's Pine(Pinus jeffreyi)
- Jack Pine(Pinus banksiana)
- Jackfruit Tree(Artocarpus heterophyllus)
- Japanese Brome(Bromus japonicus)
- Japanese Hemlock(Tsuga sieboldii)
- Japanese Wisteria(Wisteria floribunda)
- Japanese Crabapple(Malus floribunda)
- Joshua Tree(Yucca brevifolia)
- Jacob's Ladder(Polemonium caeruleum)
- Japanese Black Pine(Pinus thunbergii)
- Japanese Banana(Musa basjoo)
- Japanese Nutmeg Yew(Torreya nucifera)
- Japanese Iris(Iris ensata)
- Japanese Pagoda Tree(Styphnolobium japonicum)
- Japanese Spirea(Spiraea japonica)
- Japanese Witch Hazel(Hamamelis japonica)
- Jostaberry(Ribes × nidigrolaria)
- Juniper(Juniperus communis)
- Japanese Ternstroemia(Ternstroemia gymnanthera)
- Japanese Jack In The Pulpit(Arisaema sikokianum)
- Japanese Garden Juniper(Juniperus procumbens)
- Japanese Hydrangea Vine(Schizophragma hydrangeoides)
- Japanese Kerria(Kerria japonica)
- Japanese Meadowsweet(Spiraea japonica)
- Japanese Spiraea(Spiraea japonica)
- Java Bean(Phaseolus vulgaris 'Java')
- Judd Viburnum(Viburnum × juddii)
- Jerusalem Sage(Phlomis fruticosa)
- Jicama(Pachyrhizus erosus)
- Japanese Crape Myrtle(Lagerstroemia indica)
- Japanese Forest Grass(Hakonechloa macra)
- James Sedge(Carex jamesii)
- Japanese False Bindweed(Calystegia pubescens)
- Japanese Pittosporum(Pittosporum tobira)
- Japanese Rose(Kerria japonica)
- Japanese Spurge(Pachysandra terminalis)
- Jasmine(Jasminum officinale)
- Japanese Snowball(Viburnum plicatum f. tomentosum)
- Jerusalem Artichoke(Helianthus tuberosus)
- Japanese Blood Grass(Imperata cylindrica 'Rubra')
- Jet Bead(Rhodotypos scandens)
- Jonquilla Daffodil(Narcissus jonquilla)
- Jones Sedge(Carex jonesii)
- Jewel Orchid(Ludisia discolor)
- Jewelweed(Impatiens capensis)
- Japanese Larch(Larix kaempferi)
- Japanese Pieris(Pieris japonica)
- Jack Tree(Artocarpus heterophyllus)
- Japanese White Pine(Pinus parviflora)
K
- Kadota Fig(Ficus carica 'Kadota')
- Kagiri Nishiki Japanese Maple(Acer palmatum 'Kagiri Nishiki')
- kaki(Diospyros kaki 'Fuyu')
- kale(Brassica oleracea (Acephala Group) 'Redbor')
- Kamagata Japanese Maple(Acer palmatum 'Kamagata')
- Kandy Kitchen Japanese Maple(Acer palmatum 'Kandy Kitchen')
- kangaroo paw(Anigozanthos 'Joe Joe Red')
- kapoktree(Ceiba pentandra)
- Karasu Gawa Japanese Maple*(Acer palmatum 'Karasu Gawa')
- Karl Fuchs Deodar Cedar(Cedrus deodara 'Karl Fuchs')
- Karoo aloe(Aloe longistyla)
- Kasagi Yama Japanese Maple(Acer palmatum 'Kasagi Yama')
- Kashmir cypress(Cupressus cashmeriana)
- Kashmir Deodar Cedar(Cedrus deodara 'Kashmir')
- Katsura Japanese Maple(Acer palmatum 'Katsura')
- Katsura Tree(Cercidiphyllum japonicum)
- katsura tree(Cercidiphyllum japonicum 'Heronswood Globe')
- katsura tree(Cercidiphyllum japonicum 'Rotfuchs' RED FOX)
- Kelly's Gold Boxelder(Acer negundo 'Kelly's Gold')
- Kenilworth ivy(Cymbalaria muralis)
- king's spear(Asphodeline lutea)
- Kiri Nishiki Japanese Maple(Acer palmatum 'Kiri Nishiki')
- kiwifruit(Actinidia deliciosa)
- Kiyohime Japanese Maple(Acer palmatum 'Kiyohime')
- knapweed(Centaurea dealbata)
- koa(Acacia koa)
- Kobus Magnolia(Magnolia kobus)
- kohlrabi(Brassica oleracea (Gongylodes Group))
- Korean boxwood(Buxus sinica var. insularis)
- Korean boxwood(Buxus sinica var. insularis 'Tide Hill')
- Korean boxwood(Buxus sinica var. insularis 'Wintergreen')
- Korean fir(Abies koreana 'Silberlocke')
- Korean forsythia(Forsythia ovata)
- Korean Maple(Acer pseudosieboldianum)
- Koshibori Nishiki Japanese Maple*(Acer palmatum 'Koshibori Nishiki')
- Koto No Ito Japanese Maple(Acer palmatum 'Koto No Ito')
- kousa dogwood(Cornus kousa 'Fireworks')
- kousa dogwood(Cornus kousa 'Kristin Lipka's Variegated Weeper')
- kousa dogwood(Cornus kousa 'Snow Tower')
- kousa dogwood(Cornus kousa var. chinensis 'Madison' CROWN JEWEL)
- kousa dogwood(Cornus kousa 'Weaver's Weeping')
- kumquat(Citrus japonica 'Centennial Variegated')
- Kaufmanniana Tulip(Tulipa kaufmanniana)
- Korean Pine(Pinus koraiensis)
- Kirengeshoma(Kirengeshoma palmata)
- Kerosene Bush(Ozothamnus cupressoides)
- King Protea(Protea cynaroides)
- Korean Azalea(Rhododendron yedoense var. poukhanense)
- Kudzu Vine(Pueraria montana var. lobata)
- Kalimeris(Kalimeris indica)
- Kamuro Zasa(Pleioblastus viridistriatus 'Kamuro Zasa')
- Kentucky Bluegrass(Poa pratensis)
- Korean Rhododendron(Rhododendron mucronulatum)
- Knautia(Knautia arvensis)
- Kalm's St. John's Wort(Hypericum kalmianum)
- Kordesii Rose(Rosa kordesii)
- Kalanchoe(Kalanchoe blossfeldiana)
- Kamchatka Rockcress(Arabis kamchatica)
- Kankakee Mallow(Iliamna remota)
- Kentucky Coffee Tree(Gymnocladus dioicus)
- Kangaroo Fern(Microsorum pustulatum)
- Kenai Birch(Betula neoalaskana)
- Kermes Oak(Quercus coccifera)
- Kneeling Angelica(Angelica genuflexa)
- Korean Rock Fern(Polystichum tsus-simense)
- Koreanspice Viburnum(Viburnum carlesii)
- Korean Arborvitae(Thuja koraiensis)
- Koehne Holly(Ilex koehneana)
L
- lady fern(Athyrium filix-femina)
- lady fern(Athyrium filix-femina 'Dre's Dagger')
- lady fern(Athyrium filix-femina 'Fancy Fronds')
- lady fern(Athyrium filix-femina 'Minutissimum')
- lady fern(Athyrium filix-femina 'Rotstiel')
- lady fern(Athyrium filix-femina 'Victoriae')
- lady fern(Athyrium 'Ghost')
- lady fern(Athyrium thelypterioides)
- lady fern(Athyrium vidalii)
- lady slipper(Cypripedium kentuckiense)
- lady's mantle(Alchemilla mollis)
- lady's mantle(Alchemilla mollis 'Thriller')
- ladybells(Adenophora 'Amethyst')
- ladybells(Adenophora liliifolia)
- lanceleaf coreopsis(Coreopsis lanceolata)
- lanceleaf coreopsis(Coreopsis lanceolata 'Summer Sprite')
- large camas(Camassia leichtlinii)
- large Chimanimani aloe(Aloe munchii)
- large filbert(Corylus maxima)
- large yellow foxglove(Digitalis grandiflora)
- large-flowered tickseed(Coreopsis grandiflora)
- large-flowered tickseed(Coreopsis grandiflora 'Domino')
- large-flowered tickseed(Coreopsis grandiflora 'Early Sunrise')
- large-flowered tickseed(Coreopsis grandiflora 'Mayfield Giant')
- large-flowered tickseed(Coreopsis grandiflora 'Sundancer')
- large-flowered tickseed(Coreopsis grandiflora 'Walcoreop' FLYING SAUCERS)
- large-leaved aster(Eurybia macrophylla)
- larkspur(Delphinium (Belladonna Group) 'Casablanca')
- larkspur(Delphinium 'Fanfare')
- larkspur(Delphinium 'Misty Mauves')
- larkspur(Delphinium (Pacific Hybrids))
- Lawson Falsecypress(Chamaecyparis lawsoniana)
- lead plant(Amorpha canescens)
- leatherleaf(Chamaedaphne calyculata 'Verdant')
- leatherleaf sedge(Carex buchananii)
- leatherleaf sedge(Carex buchananii 'Red Rooster')
- leatherwood(Dirca palustris)
- leek(Allium ampeloprasum)
- Legacy Sugar Maple(Acer saccharum 'Legacy')
- lemon(Citrus limon)
- lemon bottlebrush(Callistemon pallidus)
- lemon eucalyptus(Corymbia citriodora)
- lemon grass(Cymbopogon citratus)
- lemon verbena(Aloysia citriodora)
- Leonard Messel Magnolia(Magnolia x loebneri 'Leonard Messel')
- leopard plant(Farfugium japonicum)
- leopard's bane(Doronicum 'Little Leo')
- leopard's bane(Doronicum macrophyllum)
- leopard's bane(Doronicum orientale 'Leonardo Compact')
- Leprechaun Green Ash(Fraxinus pennsylvanica 'Leprechaun')
- Leyland Cypress(Cupressocyparis x leylandii)
- Liberty Apple(Malus 'Liberty')
- lily of the Incas(Alstroemeria aurea)
- lily of the Incas(Alstroemeria 'Casablanca')
- lily of the Incas(Alstroemeria 'Glory of the Andes')
- lily of the Incas(Alstroemeria isabellana)
- lily of the Incas(Alstroemeria 'Jupiter')
- lily of the Incas(Alstroemeria 'Koice' INCA ICE)
- lily of the Incas(Alstroemeria 'Pacific Sunset Dark Pink')
- lily of the Incas(Alstroemeria 'Sweet Laura')
- lily of the Incas(Alstroemeria 'The Third Harmonic')
- lily of the Nile(Agapanthus 'Blue Yonder')
- lily of the Nile(Agapanthus 'Cold Hardy White')
- lily of the Nile(Agapanthus (group))
- lily of the Nile(Agapanthus 'Headbourne Hybrids')
- lily of the Nile(Agapanthus 'Kingston Blue')
- lily of the Nile(Agapanthus 'Rfdd' DOUBLE DIAMOND)
- lily of the Nile(Agapanthus 'Summer Skies')
- lily of the valley(Convallaria majalis)
- lily of the valley(Convallaria majalis 'Golden Slippers')
- lily of the valley(Convallaria majalis 'Potsdam Stripe')
- lily of the valley(Convallaria majalis var. rosea)
- Limelight Hydrangea (tree form)(Hydrangea paniculata 'Limelight (tree form)')
- limestone calamint(Clinopodium arkansanum)
- Linearilobum Japanese Maple(Acer palmatum 'Linearilobum')
- Lions Head Japanese Maple(Acer palmatum 'Shishigashira')
- lipstick plant(Aeschynanthus radicans)
- lisianthus(Eustoma grandiflorum)
- Little Gem Magnolia(Magnolia grandiflora 'Little Gem')
- Little Woody Redbud(Cercis canadensis 'Little Woody')
- livingstone daisy(Dorotheanthus bellidiformis 'Mesbicla' MEZOO TRAILING RED)
- Lodi Apple(Malus 'Lodi')
- log fern(Dryopteris celsa)
- longan(Dimocarpus longan)
- Loquat(Eriobotrya japonica)
- Louisa Flowering Crab(Malus 'Louisa')
- love-lies-bleeding(Amaranthus caudatus)
- lovegrass(Eragrostis elliottii 'Wind Dancer')
- lovegrass(Eragrostis trichodes 'Bend')
- lowland fragile fern(Cystopteris protrusa)
- Lavender(Lavandula angustifolia)
- Labrador Violet(Viola labradorica)
- Lady's Eardrops(Fuchsia triphylla 'Gartenmeister Bonstedt')
- Laurentia(Isotoma axillaris)
- Large Leaved Avens(Geum macrophyllum)
- Leea(Leea coccinea)
- Lantana(Lantana camara)
- Lakebank Sedge(Carex lacustris)
- Late Lilac(Syringa villosa)
- Large Flowered Bellwort(Uvularia grandiflora)
- Lace Shrub(Stephanandra incisa)
- Large Calyx Goosefoot(Chenopodium macrospermum)
- Lapland Reedgrass(Calamagrostis lapponica)
- Lemon Balm(Melissa officinalis)
- Lemon Mint(Monarda citriodora)
- Lavalle Hawthorn(Crataegus × lavallei)
- Large Field Chickweed(Cerastium holosteoides)
- Laurustinus(Viburnum tinus)
- Lantanaphyllum Viburnum(Viburnum rhytidophyllum 'Lanatanaphyllum')
- Lambs Ears(Stachys byzantina)
- Lavender Cotton(Santolina chamaecyparissus)
- Leather Fern(Rumohra adiantiformis)
- Lady Palm(Rhapis excelsa)
- Lemmon's Needlegrass(Eriocoma lemmonii)
- Large Flowered Climbing Rose(Rosa 'Large Flowered Climbing' (hybrid group))
- Large Coneflower(Rudbeckia maxima)
- Large Beardtongue(Penstemon grandiflorus)
- Large Styled Crosswort(Cruciata laevipes)
- Largeleaf Wild Indigo(Baptisia macrophylla)
- Leatherleaf Mahonia(Mahonia bealei)
- Laurel Oak(Quercus laurifolia)
- Leatherleaf Viburnum(Viburnum rhytidophyllum)
- Late Tulip(Tulipa gesneriana var. serotina)
- Laxmann's Milk Vetch(Astragalus laxmannii)
- Labrador Indian Paintbrush(Castilleja septentrionalis)
- Labrador Tea(Rhododendron groenlandicum)
- Lady Tulip(Tulipa clusiana)
- Lamb's Lettuce(Valerianella locusta)
- Lance Leaved Arnica(Arnica lanceolata)
- Large Flowered Magnolia(Magnolia grandiflora)
- Large Leaved Cucumber Tree(Magnolia macrophylla)
- Large Speedwell(Veronica longifolia)
- Larkspur Violet(Viola elatior)
- Leafy Goosefoot(Chenopodium foliosum)
- Lance Leaved Moonwort(Botrychium lanceolatum)
- Least Bladdery Milk Vetch(Astragalus leptocarpus)
- Large Flowered Agoseris(Agoseris grandiflora)
- Lamb's Ear(Stachys byzantina)
- Lemmon's Rockcress(Boechera lemmonii)
- Larch Dwarf Mistletoe(Arceuthobium laricis)
- Lake Louise Arnica(Arnica louiseana)
- Large Fothergilla(Fothergilla major)
- Lance Leaf Blanket Flower(Gaillardia aristata)
- Lamb's Ears(Stachys byzantina)
M
- Macintosh Apple(Malus 'Macintosh')
- Madagascar periwinkle(Catharanthus roseus)
- madwort(Alyssum wulfenianum 'Golden Spring')
- Magyar Ginkgo(Ginkgo biloba 'Magyar')
- maiden pink(Dianthus deltoides)
- maiden pink(Dianthus deltoides 'Zing Salmon')
- maidenhair fern(Adiantum capillus-veneris)
- maidenhair spleenwort(Asplenium trichomanes)
- maikoa(Brugmansia suaveolens)
- Malabar spinach(Basella alba)
- male fern(Dryopteris filix-mas)
- male fern(Dryopteris filix-mas 'Barnesii')
- male fern(Dryopteris filix-mas 'Crispatissima')
- male fern(Dryopteris filix-mas 'Grandiceps Wills')
- male fern(Dryopteris filix-mas 'Linearis')
- mandarin orange(Citrus reticulata 'Clementine')
- Manila palm(Adonidia merrillii)
- Margaret Bee Japanese Maple(Acer palmatum 'Margaret Bee')
- marigold(Calendula officinalis)
- Marilyn Magnolia(Magnolia 'Marilyn')
- Marina Strawberry Tree(Arbutus 'Marina')
- marine ivy(Cissus trifoliata)
- marlberry(Ardisia japonica)
- marsh helleborine(Epipactis palustris)
- marsh mallow(Althaea officinalis)
- marsh marigold(Caltha palustris)
- Martin’s spurge(Euphorbia martini 'Waleutiny' TINY TIM)
- masterwort(Angelica atropurpurea)
- masterwort(Astrantia major 'Claret')
- masterwort(Astrantia major 'Roma')
- masterwort(Astrantia major 'Rubra')
- masterwort(Astrantia major 'Sunningdale Variegated')
- masterwort(Astrantia major 'Venice')
- masterwort(Astrantia 'Snow Star')
- masterwort(Astrantia 'Star of Beauty')
- meadow bistort(Bistorta officinalis)
- meadowsweet(Filipendula denudata)
- meadowsweet(Filipendula 'Kahome')
- meadowsweet(Filipendula purpurea 'Elegans')
- meadowsweet(Filipendula ulmaria)
- meadowsweet(Filipendula ulmaria 'Aurea')
- meadowsweet(Filipendula ulmaria 'Variegata')
- Mediterranean hackberry(Celtis australis)
- Mediterranean sea holly(Eryngium bourgatii)
- melon(Cucumis melo var. flexuosus)
- Melrose Apple(Malus 'Melrose')
- Merrill Magnolia(Magnolia x loebneri 'Merrill')
- Mexican male fern(Dryopteris pseudofilix-mas)
- Mexican orange(Choisya ternata)
- Mexican orange(Choisya ternata 'Lich' SUNDANCE)
- Mexican shrubby spurge(Euphorbia cotinifolia)
- meyer lemon(Citrus meyeri)
- mezereon(Daphne mezereum)
- michaelmas daisy(Aster 'Celeste')
- Mikawa Yatsubusa Japanese Maple(Acer palmatum 'Mikawa Yatsubusa')
- Mikazuki Japanese Maple(Acer palmatum 'Mikazuki')
- milk vetch(Astragalus canadensis)
- milky bellflower(Campanula lactiflora 'Pouffe')
- Milky Way Chinese Dogwood(Cornus kousa 'Milky Way')
- million bells(Calibrachoa (group))
- Mimosa(Albizia julibrissin)
- Ming fern(Asparagus retrofractus)
- mint-shrub(Elsholtzia stauntonii)
- Miss Willmott's ghost(Eryngium giganteum)
- Mission Fig(Ficus carica 'Mission')
- mistflower(Conoclinium coelestinum 'Cori')
- Mocha Rose Big Leaf Maple(Acer macrophyllum 'Mocha Rose')
- mockernut(Carya tomentosa)
- momi fir(Abies firma)
- Mongolian gold clematis(Clematis fruticosa 'Mongolian Gold')
- Monkey Puzzle Tree(Araucaria araucana)
- monkshood(Aconitum bulbuliferum 'Monk Gone Wild')
- monkshood(Aconitum napellus)
- monkshood(Aconitum 'Spark's Variety')
- monkshood(Aconitum volubile)
- monkshood vine(Ampelopsis aconitifolia var. glabra)
- montbretia(Crocosmia 'Blos' BRESSINGHAM BEACON)
- montbretia(Crocosmia crocosmiiflora 'Buttercup')
- montbretia(Crocosmia crocosmiiflora 'George Davison')
- montbretia(Crocosmia crocosmiiflora 'His Majesty')
- montbretia(Crocosmia crocosmiiflora NOVA DRAGONFIRE)
- montbretia(Crocosmia crocosmiiflora 'Solfatare')
- montbretia(Crocosmia 'Cropom' IRISH SUNSET)
- montbretia(Crocosmia 'Emberglow')
- montbretia(Crocosmia 'Emily McKenzie')
- montbretia(Crocosmia 'Gold Rush')
- montbretia(Crocosmia 'Lucifer')
- montbretia(Crocosmia pottsii)
- Montpellier maple(Acer monspessulanum)
- Moonfire Japanese Maple(Acer palmatum 'Moonfire')
- Moonrise Full Moon Maple(Acer shirasawanum 'Moonrise')
- Moosewood(Acer pensylvanicum)
- Morning Cloud Chitalpa(Chitalpa 'Morning Cloud')
- mottled spurge(Euphorbia lactea)
- mottled spurge(Euphorbia lactea 'White Ghost')
- mountain bluet(Centaurea montana)
- mountain bluet(Centaurea montana 'Amethyst in Snow')
- mountain bush honeysuckle(Diervilla rivularis)
- mountain dogwood(Cornus nuttallii)
- mountain gum(Eucalyptus dalrympleana)
- mountain mahogany(Cercocarpus montanus)
- mountain palm(Cordyline indivisa)
- Mountain Pepper(Drimys lanceolata)
- mountain rockcress(Arabis alpina)
- mountain rockcress(Arabis alpina subsp. caucasica 'Schneehaube' SNOWCAP)
- mountain sagewood(Buddleja loricata)
- mountain spinach(Atriplex hortensis)
- mountain spurge(Euphorbia marginata 'Kilimanjaro')
- mountain thistle(Acanthus montanus)
- mouse-ear chickweed(Cerastium arvense subsp. glandulosum)
- mugwort(Artemisia afra)
- mugwort(Artemisia vulgaris)
- mullein foxglove(Digitalis thapsi 'Spanish Peaks')
- mum(Chrysanthemum 'Virginia's Sunshine')
- musk mallow(Abelmoschus moschatus)
- mustard greens(Brassica juncea 'Japanese Giant Red')
- myrtle spurge(Euphorbia myrsinites)
N
- Nantucket serviceberry(Amelanchier nantucketensis)
- narrow-leaf coneflower(Echinacea angustifolia)
- Natal lily(Clivia miniata)
- National Chinese Dogwood(Cornus kousa 'National')
- navel orange(Citrus sinensis 'Trovita')
- navel orange(Citrus sinensis 'Washington')
- Naylor's Blue Leyland Cypress(Cupressocyparis x leylandii 'Naylor's Blue')
- Near East Crapemyrtle(Lagerstroemia indica 'Near East')
- neem(Azadirachta indica)
- Nerve Plant(Fittonia albivenis (Argyroneura Group))
- nettle-leaved bellflower(Campanula trachelium)
- New Caledonian pine(Araucaria columnaris)
- New Jersey tea(Ceanothus americanus)
- Nikko fir(Abies homolepis)
- Nishiki Gawa Japanese Maple*(Acer palmatum 'Nishiki Gawa')
- Nizetii Sycamore Maple(Acer pseudoplatanus 'Nizetii')
- Noble Fir(Abies procera)
- nodding onion(Allium cernuum)
- Norfolk Island pine(Araucaria heterophylla)
- Norland Apple(Malus 'Norland')
- northern dragonhead(Dracocephalum ruyschiana)
- northern lady fern(Athyrium filix-femina var. angustum)
- northern lady fern(Athyrium filix-femina var. angustum 'Lady in Red')
- Northern maidenhair fern(Adiantum pedatum)
- northern sea oats(Chasmanthium latifolium)
- northern water plantain(Alisma triviale)
- Norway Spruce(Picea abies)
- Nuresagi Japanese Maple(Acer palmatum 'Nuresagi')
O
- Odessa bellflower(Campanula glomerata var. dahurica 'Odessa')
- Ohio buckeye(Aesculus glabra)
- Ohio buckeye(Aesculus glabra 'Nana')
- Okagami Japanese Maple(Acer palmatum 'Okagami')
- okra(Abelmoschus esculentus)
- okra(Abelmoschus esculentus 'Baby Bubba')
- Okushimo Japanese Maple(Acer palmatum 'Okushimo')
- oleaster(Elaeagnus ebbingei)
- oleaster(Elaeagnus macrophylla)
- Ombrella™ Mimosa(Albizia julibrissin 'Boubri')
- onion(Allium altaicum)
- onion(Allium cepa)
- orange bulbine(Bulbine frutescens)
- Orange Dream Japanese Maple(Acer palmatum 'Orange Dream')
- orange jessamine(Cestrum aurantiacum)
- Orangeola Cutleaf Japanese Maple(Acer palmatum 'Orangeola')
- orchid(Cattleya (group))
- orchid(Dendrobium (group))
- Oregon grape-holly(Berberis aquifolium 'Apollo')
- Oregon grape-holly(Berberis aquifolium 'Compacta')
- Oregon Sunset Japanese Maple(Acer palmatum 'Oregon Sunset')
- Oridono Nishiki Japanese Maple*(Acer palmatum 'Oridono Nishiki')
- oriental bittersweet(Celastrus orbiculatus)
- oriental hornbeam(Carpinus orientalis)
- ornamental cabbage(Brassica oleracea (Ornamental Cabbage and Kale Group))
- ornamental onion(Allium 'Ambassador')
- ornamental onion(Allium 'Forelock')
- ornamental onion(Allium 'Globemaster')
- ornamental onion(Allium karataviense)
- ornamental onion(Allium 'Lavender Bubbles')
- ornamental onion(Allium 'Millenium')
- ornamental onion(Allium 'Purple Sensation')
- ornamental onion(Allium schubertii)
- ornamental onion(Allium 'Serendipity')
- ornamental onion(Allium 'Sugar Melt')
- ornamental onion(Allium thunbergii 'Ozawa')
- ornamental pepper(Capsicum annuum 'Purple Flash')
- ornamental yam(Dioscorea discolor)
- Ornatum Japanese Maple*(Acer palmatum 'Ornatum')
- Osakazuki Japanese Maple(Acer palmatum 'Osakazuki')
- Oshio Beni Japanese Maple(Acer palmatum 'Oshio Beni')
- Oshu Shidare Japanese Maple(Acer palmatum 'Oshu Shidare')
- Otake Japanese Maple(Acer palmatum 'Otake')
- Otome Zakura Japanese Maple*(Acer palmatum 'Otome Zakura')
- Ouachita Mountain leadplant(Amorpha ouachitensis)
- oval sedge(Carex leporina)
- Oyama Magnolia(Magnolia sieboldii)
- Ozark chinquapin(Castanea ozarkensis)
P
- Pacific Madrone*(Arbutus menziesii)
- Pagoda Dogwood(Cornus alternifolia)
- painted buckeye(Aesculus sylvatica)
- painted lady fern(Athyrium niponicum var. niponicum)
- pak-choi(Brassica rapa (Chinensis Group))
- pak-choi(Brassica rapa (Chinensis Group) 'Violetta')
- pale Indian plantain(Arnoglossum atriplicifolium)
- pale leather flower(Clematis versicolor)
- pale purple coneflower(Echinacea pallida)
- pale purple coneflower(Echinacea pallida 'Hula Dancer')
- palm sedge(Carex muskingumensis)
- palm sedge(Carex muskingumensis 'Oehme')
- palm sedge(Carex muskingumensis 'Wachtposten')
- Palmatifidum Japanese Maple*(Acer palmatum 'Palmatifidum')
- papaya(Carica papaya)
- papaya(Carica papaya 'T. R. Hovey')
- Paper Birch(Betula papyrifera)
- paper mulberry(Broussonetia papyrifera)
- Paperbark Maple(Acer griseum)
- paperbush(Edgeworthia chrysantha)
- paperbush(Edgeworthia chrysantha 'Snow Cream')
- papyrus(Cyperus papyrus KING TUT)
- parlor palm(Chamaedorea elegans)
- Parry's agave(Agave parryi)
- Patmore Green Ash(Fraxinus pennsylvanica 'Patmore')
- Paul's Scarlet English Hawthorn(Crataegus laevigata 'Paul's Scarlet')
- paurotis palm(Acoelorrhaphe wrightii)
- peach-leaved bellflower(Campanula persicifolia 'Chettle Charm')
- Peaches And Cream Japanese Maple(Acer palmatum 'Peaches And Cream')
- peacock plant(Calathea makoyana)
- peanut(Arachis hypogaea)
- pearlbush(Exochorda macrantha 'The Bride')
- pearlbush(Exochorda 'Niagara' SNOW DAY SURPRISE)
- pearlbush(Exochorda serratifolia)
- pearlbush(Exochorda serratifolia 'Northern Pearls')
- pearly everlasting(Anaphalis margaritacea)
- pearly everlasting(Anaphalis triplinervis)
- pelican flower(Aristolochia gigantea)
- Pendulum Julian Japanese Maple*(Acer palmatum 'Pendulum Julian')
- pepper(Capsicum annuum (Hot Pepper Group))
- pepper(Capsicum chinense)
- perennial cornflower(Centaurea montana 'Gold Bullion')
- Persian Parrotia(Parrotia persica)
- Persian violet(Cyclamen hederifolium)
- Persian violet(Exacum affine)
- persimmon(Diospyros virginiana 'Meader')
- Peter's Honey Fig(Ficus carica 'Peter's Honey')
- Philippine evergreen(Aglaonema commutatum)
- Philippine violet(Barleria cristata)
- pigeon berry(Duranta erecta 'Cuban Gold')
- pigeon berry(Duranta erecta 'Gold Edge')
- pignut(Carya glabra)
- pigsqueak(Bergenia cordifolia)
- pigsqueak(Bergenia cordifolia 'Miss Piggy')
- pigsqueak(Bergenia cordifolia 'Winterglut' WINTER GLOW)
- pigsqueak(Bergenia crassifolia)
- pigsqueak(Bergenia 'Herbstblute' AUTUMN GLORY)
- pineapple(Ananas comosus)
- pineapple(Ananas comosus 'Sugarloaf')
- pineapple broom(Cytisus kewensis)
- pineapple guava(Acca sellowiana)
- pineapple lily(Eucomis comosa)
- pineapple lily(Eucomis comosa 'Sparkling Burgundy')
- pink(Dianthus allwoodii 'Frosty Fire')
- pink(Dianthus 'Black Cherry Wild')
- pink(Dianthus 'Devon Xera' FIRE STAR)
- pink(Dianthus DIAMOND SCARLET IMPROVED)
- pink(Dianthus 'Ipswich Pink')
- pink(Dianthus 'Kahori')
- pink(Dianthus 'Little Bobby')
- pink(Dianthus 'Painted Beauty')
- pink(Dianthus plumarius 'Itsaul White')
- pink(Dianthus 'Rosish One')
- pink(Dianthus 'WP Passion')
- pink(Dianthus 'Wp10 Sab06' EARLY BIRD CHILI)
- Pink Dawn Chitalpa(Chitalpa 'Pink Dawn')
- Pink Diamond Hydrangea (tree form)(Hydrangea paniculata 'Pink Diamond (tree form)')
- Pink Lace Japanese Maple*(Acer palmatum 'Pink Lace')
- Pink Lady Apple(Malus 'Pink Lady')
- pink shower(Cassia grandis)
- pink turtlehead(Chelone lyonii)
- pink turtlehead(Chelone lyonii 'Hot Lips')
- Pixie Japanese Maple(Acer palmatum 'Pixie')
- plains coreopsis(Coreopsis tinctoria)
- plumbago(Ceratostigma plumbaginoides)
- poinciana(Caesalpinia gilliesii)
- poinsettia(Euphorbia pulcherrima)
- poison bulb(Crinum asiaticum)
- ponytail palm(Beaucarnea recurvata)
- porcelain vine(Ampelopsis brevipedunculata var. maximowiczii 'Elegans')
- pothos(Epipremnum aureum 'Neon')
- powder puff tree(Calliandra haematocephala)
- prairie bundleflower(Desmanthus illinoensis)
- prairie camas(Camassia angusta)
- prairie milkweed(Asclepias hirtella)
- prairie milkweed(Asclepias sullivantii)
- prairie onion(Allium stellatum)
- prairie poppy mallow(Callirhoe alcaeoides)
- prairie sedge(Carex bicknellii)
- Prairifire Flowering Crab(Malus 'Prairifire')
- prickly cycad(Encephalartos altensteinii)
- prickly poppy(Argemone polyanthemos)
- prickly thrift(Acantholimon ulicinum)
- pricklyburr(Datura inoxia)
- pride of barbados(Caesalpinia pulcherrima)
- pride of Madeira(Echium candicans)
- Princess Diana Serviceberry(Amelanchier x grandiflora 'Princess Diana')
- Princeton Gold Maple(Acer platanoides 'Princeton Gold')
- Princeton Sentry Ginkgo(Ginkgo biloba 'Princeton Sentry')
- pummelo(Citrus maxima)
- Purple Beech(Fagus sylvatica 'Purpurea')
- purple beech(Fagus sylvatica (Atropurpurea Group))
- purple bergenia(Bergenia purpurascens)
- purple cestrum(Cestrum elegans)
- purple coneflower(Echinacea 'Mama Mia')
- purple coneflower(Echinacea 'Piccolino')
- purple coneflower(Echinacea purpurea)
- purple coneflower(Echinacea purpurea 'Amado')
- purple coneflower(Echinacea purpurea 'Butterfly Kisses')
- purple coneflower(Echinacea purpurea 'Coconut Lime')
- purple coneflower(Echinacea purpurea 'Cygnet White')
- purple coneflower(Echinacea purpurea 'Doubledecker')
- purple coneflower(Echinacea purpurea 'Elbrook' ELTON KNIGHT)
- purple coneflower(Echinacea purpurea 'Fatal Attraction')
- purple coneflower(Echinacea purpurea 'Finale White')
- purple coneflower(Echinacea purpurea 'Fragrant Angel')
- purple coneflower(Echinacea purpurea 'Green Envy')
- purple coneflower(Echinacea purpurea 'Green Eyes')
- purple coneflower(Echinacea purpurea 'Happy Star')
- purple coneflower(Echinacea purpurea 'Hope')
- purple coneflower(Echinacea purpurea 'Kim's Knee High')
- purple coneflower(Echinacea purpurea 'Kim's Mop Head')
- purple coneflower(Echinacea purpurea 'Leuchtstern' BRIGHT STAR)
- purple coneflower(Echinacea purpurea 'Lilliput')
- purple coneflower(Echinacea purpurea 'Little Annie')
- purple coneflower(Echinacea purpurea 'Little Giant')
- purple coneflower(Echinacea purpurea 'Lucky Star')
- purple coneflower(Echinacea purpurea 'Magnus')
- purple coneflower(Echinacea purpurea 'Magnus Superior')
- purple coneflower(Echinacea purpurea 'Merlot')
- purple coneflower(Echinacea purpurea 'Mistral')
- purple coneflower(Echinacea purpurea 'Norwhinat' WHITE NATALIE)
- purple coneflower(Echinacea purpurea 'Ovation')
- purple coneflower(Echinacea purpurea 'Pica Bella')
- purple coneflower(Echinacea purpurea 'Pink Double Delight')
- purple coneflower(Echinacea purpurea 'PowWow White')
- purple coneflower(Echinacea purpurea 'Prairie Frost')
- purple coneflower(Echinacea purpurea 'Prairie Giant')
- purple coneflower(Echinacea purpurea 'Prairie Splendor')
- purple coneflower(Echinacea purpurea 'Primadonna Deep Rose')
- purple coneflower(Echinacea purpurea 'Raspberry Truffle')
- purple coneflower(Echinacea purpurea 'Razzmatazz')
- purple coneflower(Echinacea purpurea 'Red Knee High')
- purple coneflower(Echinacea purpurea 'Rubinstern' RUBY STAR)
- purple coneflower(Echinacea purpurea 'Ruby Giant')
- purple coneflower(Echinacea purpurea 'Sir Lancelot')
- purple coneflower(Echinacea purpurea 'Sparkler')
- purple coneflower(Echinacea purpurea 'Springbrook's Crimson Star')
- purple coneflower(Echinacea purpurea 'The King')
- purple coneflower(Echinacea purpurea 'Vintage Wine')
- purple coneflower(Echinacea purpurea 'Virgin')
- purple coneflower(Echinacea purpurea 'White Lustre')
- purple coneflower(Echinacea purpurea 'White Swan')
- purple coneflower(Echinacea 'Raspberry Tart')
- Purple Fountain Beech(Fagus sylvatica 'Purple Fountain')
- Purple Ghost Japanese Maple*(Acer palmatum 'Purple Ghost')
- purple giant hyssop(Agastache rugosa 'Golden Jubilee')
- purple milkweed(Asclepias purpurascens)
- purple poppy mallow(Callirhoe involucrata)
- purple-fruited chokeberry(Aronia prunifolia)
- Purple-Leaf Japanese Maple(Acer palmatum 'Atropurpureum')
- pussy toes(Antennaria parlinii)
- pussytoes(Antennaria dioica)
- pussytoes(Antennaria plantaginifolia)
- Pyramidal Beech(Fagus sylvatica 'Fastigiata')
- Pyramidal European Hornbeam(Carpinus betulus 'Fastigiata')
- Pyramidalis Silver Fir(Abies alba 'Pyramidalis')
- Peace Lily(Spathiphyllum wallisii)
Q
R
- rabbit's foot fern(Davallia fejeensis)
- rabbit's foot fern(Davallia fejeensis 'Dwarf Ripple')
- rain tree(Albizia saman)
- rampion(Campanula rapunculus)
- rampion bellflower(Campanula rapunculoides)
- rapeseed(Brassica napus (Oleifera Group))
- rattlesnake master(Eryngium yuccifolium)
- rattlesnake master(Eryngium yuccifolium 'Prairie Moon')
- rattlesnake plant(Calathea lancifolia)
- red banana(Ensete ventricosum 'Maurelii')
- red buckeye(Aesculus pavia)
- Red Dawn Full Moon Maple(Acer shirasawanum 'Red Dawn')
- Red Delicious Apple(Malus 'Red Delicious')
- Red Dragon Japanese Maple(Acer palmatum 'Red Dragon')
- Red Feathers Japanese Maple*(Acer palmatum 'Red Feathers')
- red fescue(Festuca rubra 'Pennlawn')
- Red Filigree Lace Japanese Maple(Acer palmatum 'Red Filigree Lace')
- Red Flowering Dogwood(Cornus florida 'var. rubra')
- Red Fox Katsura Tree(Cercidiphyllum japonicum 'Rotfuchs')
- red horse chestnut(Aesculus carnea)
- red horse chestnut(Aesculus carnea 'Briotii')
- red horse chestnut(Aesculus carnea 'Marginata')
- red hot cat's tail(Acalypha hispida)
- Red Jewel Flowering Crab(Malus 'Red Jewel')
- Red Maple(Acer rubrum)
- red maple(Acer rubrum 'Brandywine')
- red maple(Acer rubrum 'Columnare')
- red maple(Acer rubrum 'Franksred' RED SUNSET)
- red maple(Acer rubrum 'Karpick')
- red maple(Acer rubrum 'Northwood')
- red maple(Acer rubrum 'October Glory')
- Red Obelisk Beech(Fagus sylvatica 'Red Obelisk')
- Red Rhapsody Amur Maple(Acer ginnala 'Mondy')
- Red Select Japanese Maple*(Acer palmatum 'Red Select')
- red silk cottontree(Bombax ceiba)
- Red Star Whitecedar(Chamaecyparis thyoides 'Red Star')
- Red Sunset® Red Maple(Acer rubrum 'Franksred')
- red twig dogwood(Cornus sericea)
- red twig dogwood(Cornus sericea 'Hedgerows Gold')
- red twig dogwood(Cornus sericea 'KLM RR' ERIKA THE BLONDE)
- red twig dogwood(Cornus sericea 'Neil Z' PUCKER UP)
- red valerian(Centranthus ruber)
- red valerian(Centranthus ruber 'Albus')
- red valerian(Centranthus ruber 'Pretty Betsy')
- redbud(Cercis 'Merlot')
- redvein enkianthus(Enkianthus campanulatus var. sikokianus)
- reed grass(Calamagrostis brachytricha)
- reflexed sedge(Carex retroflexa)
- rex begonia(Begonia rex-cultorum)
- rex begonia(Begonia rex-cultorum 'Super Curl')
- Rhode Island Red Japanese Maple(Acer palmatum 'Rhode Island Red')
- Ribbon-leaf Japanese Maple*(Acer palmatum 'Atrolineare')
- rienga lily(Arthropodium cirrhatum)
- River Birch(Betula nigra)
- river birch(Betula nigra 'Little King' FOX VALLEY)
- River Birch (clump)(Betula nigra '(clump)')
- river wattle(Acacia cognata 'Mini Cog')
- Robin's plantain(Erigeron pulchellus)
- rock cotoneaster(Cotoneaster atropurpureus 'Variegatus')
- rock cotoneaster(Cotoneaster horizontalis)
- rock cotoneaster(Cotoneaster horizontalis 'Robusta')
- rock cotoneaster(Cotoneaster horizontalis var. perpusillus)
- rock fig(Ficus petiolaris)
- Rocky Mountain Juniper(Juniperus scopulorum)
- Romanesco broccoli(Brassica oleracea (Botrytis Group))
- roostertree(Calotropis procera)
- rose glory bower(Clerodendrum bungei)
- Rose Marie Magnolia(Magnolia 'Rose Marie')
- rose peashrub(Caragana rosea)
- rosy dipelta(Dipelta floribunda)
- rough maidenhair fern(Adiantum hispidulum)
- Round Leaf Sweet Gum(Liquidambar styraciflua 'Rotundiloba')
- round-headed leek(Allium sphaerocephalon)
- Roundleaf Liverleaf(Anemone americana)
- Royal Empress Tree(Paulownia tomentosa)
- royal poinciana(Delonix regia)
- rubber rabbitbrush(Ericameria nauseosa)
- Ruby Ridge Japanese Maple*(Acer palmatum 'Ruby Ridge')
- Ruby Slippers Amur Maple(Acer ginnala 'Ruby Slippers')
- Ruby Stars Japanese Maple*(Acer palmatum 'Ruby Stars')
- running serviceberry(Amelanchier stolonifera)
- Ruslyn In The Pink Japanese Maple(Acer palmatum 'Ruslyn In The Pink')
- Russian Olive(Elaeagnus angustifolia)
- Rustica Rubra Magnolia(Magnolia x soulangeana 'Rustica Rubra')
- rusty foxglove(Digitalis ferruginea)
- rusty foxglove(Digitalis ferruginea 'Gelber Herold')
- rutabaga(Brassica napus (Napobrassica Group))
- Ryusen Japanese Maple(Acer palmatum 'Ryusen')
S
- sacred bo tree(Ficus religiosa)
- saffron crocus(Crocus sativus)
- Sagara Nishiki Japanese Maple(Acer palmatum 'Sagara Nishiki')
- Sago palm(Cycas revoluta)
- sakaki(Cleyera japonica)
- sallow sedge(Carex lurida)
- Samaritan Chinese Dogwood(Cornus kousa 'Samaritan')
- Samurai Sword Japanese Maple(Acer palmatum 'Samarzam')
- sand lovegrass(Eragrostis trichodes)
- Saratoga Ginkgo(Ginkgo biloba 'Saratoga')
- satin flower(Clarkia amoena)
- Satomi Chinese Dogwood(Cornus kousa 'Satomi')
- saw toothed azara(Azara serrata)
- saw toothed azara(Azara serrata ANDEAN GOLD)
- Sazanami Japanese Maple(Acer palmatum 'Sazanami')
- scallion(Allium fistulosum)
- Scarlet Pippin Apple(Malus 'Scarlet Pippin')
- Scolopendrifolium Japanese Maple(Acer palmatum 'Scolopendrifolium')
- Scotch broom(Cytisus scoparius)
- Scotch heather(Calluna vulgaris)
- Scotch heather(Calluna vulgaris 'Beoley Gold')
- Scotch heather(Calluna vulgaris 'Gold Haze')
- Scotch heather(Calluna vulgaris 'Spring Torch')
- Scott's clematis(Clematis scottii)
- scouringrush horsetail(Equisetum hyemale)
- Sea Buckthorn(Hippophae rhamnoides)
- sea holly(Eryngium 'Neptune's Gold')
- sea holly(Eryngium planum)
- sea holly(Eryngium planum 'Blue Glitter')
- sea holly(Eryngium planum 'Blue Hobbit')
- sea holly(Eryngium planum 'Jade Frost')
- sea holly(Eryngium planum 'Tiny Jackpot')
- sea holly(Eryngium planum 'White Glitter')
- sea holly(Eryngium 'Sapphire Blue')
- sea holly(Eryngium zabelii 'Big Blue')
- sea kale(Crambe maritima)
- sea thrift(Armeria maritima)
- sea thrift(Armeria maritima 'Bloodstone')
- sea thrift(Armeria maritima 'Morning Star White')
- sea thrift(Armeria maritima 'Rubrifolia')
- sea thrift(Armeria 'Nifty Thrifty')
- sealing wax palm(Cyrtostachys renda)
- seaside alder(Alnus maritima)
- seaside alder(Alnus maritima subsp. oklahomensis 'September Sun')
- sedge(Carex cherokeensis)
- sedge(Carex comans)
- sedge(Carex comans 'Frosted Curls')
- sedge(Carex conica 'Snowline')
- sedge(Carex cristatella)
- sedge(Carex crus-corvi)
- sedge(Carex dolichostachya 'Kaga-nishiki' GOLD FOUNTAINS)
- sedge(Carex 'Ice Dance')
- sedge(Carex laxiculmis)
- sedge(Carex laxiculmis 'Hobb' BUNNY BLUE)
- sedge(Carex oshimensis 'CarFit01' EVERCOLOR EVEREST)
- sedge(Carex oshimensis 'Evergold')
- sedge(Carex oshimensis 'Everillo')
- sedge(Carex oshimensis 'Everoro')
- sedge(Carex oshimensis 'Gold Strike')
- sedge(Carex pensylvanica)
- sedge(Carex pensylvanica 'Straw Hat')
- sedge(Carex 'Phoenix Green')
- sedge(Carex phyllocephala 'Sparkler')
- sedge(Carex siderosticha 'Kisokaido' SPRING SNOW)
- sedge(Carex siderosticha 'Shima-nishiki' ISLAND BROCADE)
- sedge(Carex 'Silver Sceptre')
- sedge(Carex swanii)
- Seiryu Japanese Maple(Acer palmatum 'Seiryu')
- Sentinel Flowering Crab(Malus 'Sentinel')
- Serbian bellflower(Campanula poscharskyana)
- serviceberry(Amelanchier arborea)
- serviceberry(Amelanchier canadensis)
- serviceberry(Amelanchier canadensis 'Glenn Form' RAINBOW PILLAR)
- shagbark hickory(Carya ovata)
- Shaina Japanese Maple(Acer palmatum 'Shaina')
- shantung maple(Acer truncatum)
- shell ginger(Alpinia zerumbet 'Variegata')
- shellbark hickory(Carya laciniosa)
- shellflower(Chelone obliqua var. speciosa)
- shellplant(Alpinia zerumbet)
- Sherwood Elfin Japanese Maple*(Acer palmatum 'Sherwood Elfin')
- Sherwood Flame Japanese Maple(Acer palmatum 'Sherwood Flame')
- shikoku beautyberry(Callicarpa shikokiana)
- Shindeshojo Japanese Maple(Acer palmatum 'Shindeshojo')
- shining blue star(Amsonia illustris)
- Shinobuga Oka Japanese Maple*(Acer palmatum 'Shinobuga Oka')
- Shirazz Japanese Maple(Acer palmatum 'Gwen's Rose Delight')
- Shishio Hime Japanese Maple*(Acer palmatum 'Shishio Hime')
- shooting star(Dodecatheon meadia)
- showy milkweed(Asclepias speciosa)
- shrubby evening primrose(Calylophus serrulatus)
- Siam tulip(Curcuma alismatifolia 'Pink')
- siamese ginger(Alpinia galanga)
- Siberian bugloss(Brunnera macrophylla)
- Siberian bugloss(Brunnera macrophylla 'Alexander's Great')
- Siberian bugloss(Brunnera macrophylla 'Dawson's White')
- Siberian bugloss(Brunnera macrophylla 'Hadspen Cream')
- Siberian bugloss(Brunnera macrophylla 'Jack Frost')
- Siberian bugloss(Brunnera macrophylla 'King's Ransom')
- Siberian bugloss(Brunnera macrophylla 'Langtrees')
- Siberian bugloss(Brunnera macrophylla 'Looking Glass')
- Siberian bugloss(Brunnera macrophylla 'Mr. Morse')
- Siberian bugloss(Brunnera macrophylla 'Sea Heart')
- Siberian bugloss(Brunnera macrophylla 'Spring Yellow')
- Siberian bugloss(Brunnera 'Silver Charm')
- Siberian kale(Brassica napus (Pabularia Group))
- Siberian larkspur(Delphinium grandiflorum)
- Siberian larkspur(Delphinium grandiflorum 'Blue Butterfly')
- Siberian peashrub(Caragana arborescens)
- Siberian yarrow(Achillea sibirica)
- sideoats grass(Bouteloua curtipendula)
- Sieber's crocus(Crocus sieberi subsp. atticus 'Firefly')
- silk floss tree(Chorisia speciosa)
- silky lady's mantle(Alchemilla sericata 'Gold Strike')
- silky wormwood(Artemisia frigida)
- silver birch(Betula pendula MAGICAL GLOBE)
- Silver King Sweet Gum(Liquidambar styraciflua 'Silver King')
- silver lace vine(Fallopia baldschuanica)
- silver maple(Acer saccharinum 'Silver Queen')
- silver plume grass(Erianthus alopecuroides)
- silver-dollar gum(Eucalyptus perriniana)
- silverbush(Convolvulus cneorum)
- slender deutzia(Deutzia gracilis)
- slender deutzia(Deutzia gracilis 'Duncan' CHARDONNAY PEARLS)
- slender deutzia(Deutzia gracilis 'Nikko')
- Slender Silhouette Sweet Gum(Liquidambar styraciflua 'Slender Silhouette')
- slenderleaf false foxglove(Agalinis tenuifolia)
- slipper flower(Calceolaria (Herbeohybrida Group))
- small globe thistle(Echinops ritro)
- small globe thistle(Echinops ritro subsp. ruthenicus)
- small globe thistle(Echinops ritro 'Veitch's Blue')
- small-flowered anemone(Anemone parviflora)
- small-leaved cotoneaster(Cotoneaster microphyllus)
- smoketree(Cotinus coggygria 'Ancot' GOLDEN SPIRIT)
- smoketree(Cotinus coggygria 'Daydream')
- smoketree(Cotinus coggygria 'Young Lady')
- smooth brome(Bromus inermis 'Skinner's Gold')
- Snakebark Maple(Acer davidii)
- Snakebark Maple(Acer tegmentosum)
- snakebark maple(Acer capillipes)
- snakebark maple(Acer conspicuum 'Phoenix')
- snapdragon(Antirrhinum 'Dulcinea's Heart')
- snapdragon(Antirrhinum majus)
- snapdragon(Antirrhinum majus SNAPTASTIC ORANGE FLAME)
- sneeze weed(Eupatorium capillifolium 'Elegant Feather')
- sneezewort(Achillea ptarmica 'gypsy white')
- sneezewort(Achillea ptarmica (The Pearl Group))
- snow crocus(Crocus chrysanthus)
- snow crocus(Crocus chrysanthus 'Goldilocks')
- snow crocus(Crocus chrysanthus 'Snowbunting')
- snow crocus(Crocus tommasinianus)
- snow crocus(Crocus tommasinianus 'Ruby Giant')
- snow on the mountain(Euphorbia marginata)
- snow poppy(Eomecon chionantha)
- snow-in-summer(Cerastium tomentosum)
- snow-in-summer(Cerastium tomentosum 'Olympia')
- snow-in-summer(Cerastium tomentosum 'Yo Yo')
- snowbush(Breynia disticha)
- Snowdrift Flowering Crab(Malus 'Snowdrift')
- snowdrop windflower(Anemone sylvestris)
- soft tree fern(Dicksonia antarctica)
- solitary clematis(Clematis integrifolia)
- solitary clematis(Clematis integrifolia 'Caerulea')
- solitary clematis(Clematis integrifolia 'Rose Colored Glasses')
- Solomon's seal(Disporopsis arisanensis)
- song of India(Dracaena reflexa 'Variegata')
- soursop(Annona muricata)
- Sourwood(Oxydendron arboreum)
- South African sage wood(Buddleja salviifolia)
- South American jelly palm(Butia capitata)
- southern bush honeysuckle(Diervilla 'G2X88544' KODIAK ORANGE)
- southern bush honeysuckle(Diervilla sessilifolia 'LPDC Podaras' COOL SPLASH)
- southern lady fern(Athyrium asplenioides)
- Southern Magnolia(Magnolia grandiflora)
- southern prairie aster(Eurybia hemispherica)
- southernwood(Artemisia abrotanum)
- Spanish fir(Abies pinsapo 'Horstmann')
- Spartan Apple(Malus 'Spartan')
- spider flower(Cleome 'Inncleosr' SENORITA ROSALITA)
- spider plant(Chlorophytum 'Bonnie')
- spider plant(Chlorophytum comosum 'Vittatum')
- spider plant(Chlorophytum 'Fire Flash')
- Spindle Tree(Euonymus europaeus)
- spindletree(Euonymus bungeanus)
- spindletree(Euonymus bungeanus 'Verona' PRAIRIE RADIANCE)
- spindletree(Euonymus grandiflorus)
- spineless jade agave(Agave desmetiana)
- spotted bellflower(Campanula punctata)
- spotted bellflower(Campanula punctata 'Cherry Bells')
- spotted laurel(Aucuba japonica)
- spotted laurel(Aucuba japonica 'Mr. Goldstrike')
- spotted laurel(Aucuba japonica 'Picturata')
- spotted laurel(Aucuba japonica 'Suruga Benten')
- spotted laurel(Aucuba japonica 'Variegata')
- Sprenger's asparagus fern(Asparagus densiflorus)
- spring beauty(Claytonia virginica)
- Spring crocus(Crocus vernus 'Flower Record')
- Spring crocus(Crocus vernus 'Jeanne d'Arc')
- Spring crocus(Crocus vernus 'Pickwick')
- Spring crocus(Crocus vernus 'Purpureus Grandiflorus')
- Spring crocus(Crocus vernus 'Remembrance')
- Spring crocus(Crocus vernus 'Striped Beauty')
- Spring Delight Japanese Maple(Acer palmatum 'Spring Delight')
- spurge(Euphorbia amygdaloides)
- spurge(Euphorbia amygdaloides subsp. robbiae)
- spurge(Euphorbia 'Blue Haze')
- spurge(Euphorbia characias subsp. wulfenii)
- spurge(Euphorbia characias 'Tasmanian Tiger')
- spurge(Euphorbia dulcis 'Chameleon')
- spurge(Euphorbia 'Froeup' EXCALIBUR)
- spurge(Euphorbia hypericifolia 'Inneuphe' DIAMOND FROST)
- spurge(Euphorbia 'Imprefant' EFANTHIA)
- spurge(Euphorbia 'Imprkalip' KALIPSO)
- spurge(Euphorbia 'Jessie')
- spurge(Euphorbia rigida)
- squarrose sedge(Carex squarrosa)
- squirting cucumber(Ecballium elaterium)
- St. Bernard's lily(Anthericum liliago)
- St. Bernard's lily(Chlorophytum amaniense)
- St. John's bread(Ceratonia siliqua)
- stalked aeonium(Aeonium undulatum)
- star apple(Chrysophyllum cainito)
- star fruit(Averrhoa carambola)
- star of Persia(Allium cristophii)
- Star Wars Magnolia(Magnolia 'Star Wars')
- Starlight Chinese Dogwood(Cornus kousa 'Starlight')
- Stellar Pink Flowering Dogwood(Cornus 'Stellar Pink')
- stiff bottlebrush(Callistemon rigidus)
- strawberry bush(Euonymus americanus)
- strawberry foxglove(Digitalis mertonensis)
- Strawberry Tree(Arbutus unedo)
- strawberry tree(Arbutus unedo 'Oktoberfest')
- striped dracaena(Dracaena fragrans (Deremensis Group) 'Lemon Lime')
- striped dracaena(Dracaena fragrans (Deremensis Group) 'Limelight')
- sugar beet(Beta vulgaris subsp. vulgaris)
- sugar maple(Acer saccharum 'Sweet Shadow')
- sugarberry(Celtis laevigata)
- sulphur flower(Eriogonum umbellatum)
- Suminagashi Japanese Maple(Acer palmatum 'Suminagashi')
- Summer Cascade Weeping River Birch(Betula nigra 'Summer Cascade')
- Summer Chocolate Mimosa(Albizia julibrissin 'Summer Chocolate')
- summer squash(Cucurbita pepo)
- Summerland Apple(Malus 'Summerland')
- summersweet(Clethra alnifolia 'Sixteen Candles')
- Sunburst Honeylocust(Gleditsia triacanthos 'Suncole')
- Sunburst Magnolia(Magnolia 'Sunburst')
- sunset huskmallow(Abelmoschus manihot)
- supple-Jack(Berchemia scandens)
- swamp dogwood(Cornus amomum subsp. obliqua)
- swamp loosestrife(Decodon verticillatus)
- swamp milkweed(Asclepias incarnata)
- swamp milkweed(Asclepias incarnata 'Cinderella')
- swamp milkweed(Asclepias incarnata 'Ice Ballet')
- swamp milkweed(Asclepias incarnata 'Soulmate')
- Swan River daisy(Brachyscome (group))
- Swan River daisy(Brachyscome iberidifolia)
- sweet almond bush(Aloysia virgata)
- sweet autumn virginsbower(Clematis terniflora)
- sweet bell pepper(Capsicum annuum 'Park's Early Thickset')
- sweet birch(Betula lenta)
- sweet fennel(Foeniculum vulgare)
- sweet fern(Comptonia peregrina)
- sweet flag(Acorus calamus)
- sweet flag(Acorus calamus 'Variegatus')
- Sweet Gum(Liquidambar styraciflua)
- sweet pepper(Capsicum annuum 'Bananarama')
- sweet pepperbush(Clethra alnifolia)
- sweet pepperbush(Clethra alnifolia 'Caleb' VANILLA SPICE)
- sweet pepperbush(Clethra alnifolia 'Crystalina')
- sweet pepperbush(Clethra alnifolia 'Hummingbird')
- sweet pepperbush(Clethra alnifolia 'Pink Spire')
- sweet pepperbush(Clethra alnifolia 'Rosea')
- sweet pepperbush(Clethra alnifolia 'Ruby Spice')
- sweet pepperbush(Clethra alnifolia 'September Beauty')
- sweet spurge(Euphorbia dulcis)
- sweet William(Dianthus barbatus)
- sweet William(Dianthus barbatus 'Heart Attack')
- sweet William(Dianthus barbatus 'Pinocchio')
- sweet William(Dianthus barbatus 'Sooty')
- sweet William(Dianthus 'Stagirond' RONDO)
- sweet-scented columbine(Aquilegia fragrans)
- Swiss chard(Beta vulgaris (Leaf Beet Group))
- Swiss chard(Beta vulgaris (Leaf Beet Group) 'Bright Lights')
- Swiss chard(Beta vulgaris (Leaf Beet Group) 'Northern Lights')
- St. John's Wort(Hypericum perforatum)
T
- tall bellflower(Campanula americana)
- tall fescue(Festuca arundinacea 'Black Beauty')
- tall fescue(Festuca arundinacea 'Dense Shade Mix')
- tall fescue(Festuca arundinacea 'Jaguar 3')
- tall fescue(Festuca arundinacea 'Kentucky 31')
- tall fescue(Festuca arundinacea (mix))
- tall fescue(Festuca arundinacea PROSCAPE WINNING COLORS)
- tall kangaroo paw(Anigozanthos flavidus)
- tall larkspur(Delphinium exaltatum)
- tall thoroughwort(Eupatorium altissimum)
- tall wheatgrass(Elytrigia elongata 'Jose Select')
- Tama Hime Japanese Maple(Acer palmatum 'Tama Hime')
- Tamukeyama Japanese Maple(Acer palmatum 'Tamukeyama')
- Tana Japanese Maple*(Acer palmatum 'Tana')
- tapering glade fern(Deparia pycnosora)
- Tardiva Hydrangea (tree form)(Hydrangea paniculata 'Tardiva (tree form)')
- taro(Colocasia esculenta)
- taro(Colocasia esculenta 'Black Magic')
- taro(Colocasia esculenta 'Black Ripple')
- taro(Colocasia esculenta 'Blue Hawaii')
- taro(Colocasia esculenta 'Elena')
- taro(Colocasia esculenta 'Hawaiian Punch')
- taro(Colocasia esculenta 'Kona Coffee')
- taro(Colocasia esculenta (vegetable group))
- taro(Colocasia fallax)
- tarragon(Artemisia dracunculus)
- tartarian aster(Aster tataricus)
- tat soi(Brassica rapa var. rosularis)
- tatarian aster(Aster tataricus 'Jindai')
- tatarian dogwood(Cornus alba)
- tatarian dogwood(Cornus alba 'Argenteomarginata')
- tatarian dogwood(Cornus alba 'Bailhalo' IVORY HALO)
- tatarian dogwood(Cornus alba 'Byboughen' NEON BURST)
- tatarian dogwood(Cornus alba 'Gouchaultii')
- tatarian dogwood(Cornus alba 'Kesselringii')
- tatarian dogwood(Cornus alba 'Prairie Fire')
- tatarian dogwood(Cornus alba 'Regnzam' RED GNOME)
- tatarian dogwood(Cornus alba 'Siberian Pearls')
- tatarian dogwood(Cornus alba 'Spaethii')
- tatting fern(Athyrium filix-femina 'Frizelliae')
- tea(Camellia sinensis)
- Teddy Bear® Magnolia(Magnolia grandiflora 'Southern Charm')
- Tennessee coneflower(Echinacea tennesseensis)
- Tennessee coneflower(Echinacea tennesseensis 'Rocky Top')
- Texas firecracker(Anisacanthus quadrifidus var. wrightii)
- Texas redbud(Cercis canadensis var. texensis)
- Texas redbud(Cercis canadensis var. texensis 'Oklahoma')
- Thai lime(Citrus hystrix)
- thimbleweed(Anemone virginiana)
- thorny olive(Elaeagnus pungens)
- thoroughwort(Conoclinium greggii)
- thread-leaf sundew(Drosera filiformis var. filiformis)
- threadleaf coreopsis(Coreopsis verticillata)
- threadleaf coreopsis(Coreopsis verticillata 'Golden Dream')
- threadleaf coreopsis(Coreopsis verticillata 'Golden Gain')
- threadleaf coreopsis(Coreopsis verticillata 'Grandiflora')
- threadleaf coreopsis(Coreopsis verticillata 'Moonbeam')
- threadleaf coreopsis(Coreopsis verticillata 'Zagreb')
- Threadleaf Falsecypress(Chamaecyparis pisifera 'Filifera')
- threadleaf giant hyssop(Agastache rupestris)
- threadleaf giant hyssop(Agastache rupestris 'Apache Sunset')
- Three Flowered Maple(Acer triflorum)
- thrift(Armeria maritima 'Little Penny')
- thrift(Armeria maritima 'Splendens')
- thrift(Armeria pseudarmeria 'Ballerina Lilac')
- thrift(Armeria pseudarmeria 'Dream Weaver')
- tick-trefoil(Desmodium illinoense)
- tickseed(Coreopsis 'Creme Brulee')
- tickseed(Coreopsis 'Gold Nugget')
- tickseed(Coreopsis 'Goldfink')
- tickseed(Coreopsis grandiflora SUN UP)
- tickseed(Coreopsis 'Jethro Tull')
- tickseed(Coreopsis 'Lightning Flash')
- tickseed(Coreopsis LI'L BANG GOLDILOCKS)
- tickseed(Coreopsis 'Limerock Ruby')
- tickseed(Coreopsis 'Moonlight')
- tickseed(Coreopsis palmata)
- tickseed(Coreopsis pubescens)
- tickseed(Coreopsis pubescens 'Sunshine Superman')
- tickseed(Coreopsis 'Redshift')
- tickseed(Coreopsis rosea)
- tickseed(Coreopsis rosea 'American Dream')
- tickseed(Coreopsis rosea 'Heaven's Gate')
- tickseed(Coreopsis rosea 'Sweet Dreams')
- tickseed(Coreopsis 'Sunburst')
- tickseed(Coreopsis 'Sunray')
- tickseed(Coreopsis 'Tequila Sunrise')
- tickseed(Coreopsis tripteris)
- Tobiosho Japanese Maple(Acer palmatum 'Tobiosho')
- Tokyo wood fern(Dryopteris tokyoensis)
- Torbay Dazzler Grass Palm(Cordyline australis 'Torbay Dazzler')
- torch ginger(Etlingera elatior)
- torch plant(Aloe aristata)
- tower of jewels(Echium wildpretii)
- trailing snapdragon(Asarina procumbens)
- Tree Form Pee Gee Hydrangea(Hydrangea paniculata 'Grandiflora (tree form)')
- tree heath(Erica arborea)
- tree of Heaven(Ailanthus altissima)
- tree tomato(Cyphomandra betacea)
- Trelease's larkspur(Delphinium treleasei)
- trident maple(Acer buergerianum)
- trifoliate bittercress(Cardamine trifolia)
- Trompenburg Japanese Maple*(Acer palmatum 'Trompenburg')
- trumpet creeper(Campsis tagliabuana)
- trumpet creeper(Campsis tagliabuana 'Madame Galen')
- trumpetcreeper(Campsis radicans)
- trumpetcreeper(Campsis radicans 'Apricot')
- trumpetcreeper(Campsis radicans f. flava)
- trumpetcreeper(Campsis radicans 'Indian Summer')
- Tsukasa Silhouette Japanese Maple*(Acer palmatum 'Tsukasa Silhouette')
- Tsuma Gaki Japanese Maple(Acer palmatum 'Tsuma Gaki')
- Tsuri Nishiki Japanese Maple(Acer palmatum 'Tsuri Nishiki')
- tufted fescue(Festuca amethystina 'Klose')
- tufted hair grass(Deschampsia cespitosa)
- tufted hair grass(Deschampsia cespitosa 'Tardiflora')
- tufted sedge(Carex elata)
- Tuliptree(Liriodendron tulipifera)
- tung-oil tree(Aleurites fordii)
- turnip(Brassica rapa (Rapifera Group))
- turtlehead(Chelone obliqua)
- turtlehead(Chelone obliqua 'Ieniemienie')
- tussock bellflower(Campanula carpatica f. alba 'Weisse Clips' WHITE CLIPS)
- tussock sedge(Carex stricta)
- twinspur(Diascia barberae)
- two-grooved milkvetch(Astragalus bisulcatus)
- Twombly's Red Sentinel Japanese Maple(Acer palmatum 'Twombly's Red Sentinel')
- True Indigo(Indigofera tinctoria)
U
V
- variable-leaved sea holly(Eryngium variifolium)
- Variegated Cornelian Cherry Dogwood(Cornus mas 'Variegata')
- Variegated Giant Dogwood(Cornus controversa 'Variegata')
- Variegated Japanese Angelica Tree(Aralia elata 'Variegata')
- variegated kiwi vine(Actinidia kolomikta)
- variegated kiwi vine(Actinidia kolomikta 'Arctic Beauty')
- Variegated Pagoda Dogwood(Cornus alternifolia 'Argentea')
- variegated pineapple(Ananas comosus var. variegatus)
- Venus Flowering Dogwood(Cornus 'Venus')
- Venus fly trap(Dionaea muscipula)
- Venus fly trap(Dionaea muscipula 'Akai Ryu')
- Venus fly trap(Dionaea muscipula 'Cup-shaped')
- Venus fly trap(Dionaea muscipula 'King Henry')
- Villa Taranto Japanese Maple(Acer palmatum 'Villa Taranto')
- viper's bugloss(Echium vulgare)
- Virginia wild rye(Elymus virginicus)
- Vossii Laburnum(Laburnum x watereri 'Vossii')
- Virginia Sweetspire(Itea virginica)
W
- Wada's Memory Magnolia(Magnolia kobus 'Wada's Memory')
- walking spleenwort(Asplenium ebenoides)
- wallflower(Erysimum cheiri)
- wallflower(Erysimum linifolium 'Balcherissam' CHEERS SUN-KISSED AMETHYST)
- Washington hawthorn(Crataegus phaenopyrum)
- water arum(Calla palustris)
- water birch(Betula occidentalis)
- water fern(Azolla filiculoides)
- water yam(Dioscorea alata)
- watermelon(Citrullus lanatus)
- wavyleaf purple coneflower(Echinacea simulata)
- wax begonia(Begonia semperflorens-cultorum 'Harmony Scarlet')
- wax gourd(Benincasa hispida)
- Wealthy Apple(Malus 'Wealthy')
- weather prophet(Dimorphotheca pluvialis)
- Weeping Beech(Fagus sylvatica 'Pendula')
- Weeping Cedar of Lebanon(Cedrus libani 'Pendula')
- Weeping European Hornbeam(Carpinus betulus 'Pendula')
- weeping fig(Ficus benjamina)
- weeping fig(Ficus benjamina 'Variegata')
- weeping forsythia(Forsythia suspensa)
- weeping Japanese hackberry(Celtis sinensis 'Green Cascade')
- Weeping Katsura Tree(Cercidiphyllum japonicum 'Pendulum')
- Weeping Laburnum(Laburnum x watereri 'Pendulum')
- Weeping Nootka Cypress(Chamaecyparis nootkatensis 'Pendula')
- Weeping Purple Beech(Fagus sylvatica 'Purpurea Pendula')
- Well's Special Hinoki Falsecypress(Chamaecyparis obtusa 'Well's Special')
- western mugwort(Artemisia ludoviciana 'Silver Frost')
- western mugwort(Artemisia ludoviciana 'Valerie Finnis')
- whale's tongue agave(Agave ovatifolia)
- wheat grass(Elymus magellanicus 'Blue Tango')
- white baneberry(Actaea pachypoda)
- white cypress(Chamaecyparis thyoides 'Heatherbun')
- white cypress(Chamaecyparis thyoides 'Shiva')
- white dog's-tooth violet(Erythronium albidum)
- white enkianthus(Enkianthus perulatus)
- white false indigo(Baptisia alba var. macrophylla)
- White Fir(Abies concolor)
- white forsythia(Abeliophyllum distichum)
- White Fringetree(Chionanthus virginicus)
- white mugwort(Artemisia lactiflora (Guizhou Group))
- white prairie clover(Dalea candida)
- White Redbud(Cercis canadensis 'Alba')
- white sage(Artemisia ludoviciana)
- white sage(Artemisia ludoviciana 'Silver King')
- white snakeroot(Ageratina altissima)
- white snakeroot(Ageratina altissima 'Chocolate')
- White Tigress Maple(Acer tegmentosum 'White Tigress')
- white turtlehead(Chelone glabra)
- white wood aster(Eurybia divaricata)
- white wood aster(Eurybia divaricata 'Eastern Star')
- white yam(Dioscorea (vegetable group))
- white-flowered asphodel(Asphodelus albus)
- white-tinged sedge(Carex albicans)
- Whitebark Himalayan Birch(Betula utilis 'var. jacquemontii')
- Whitespire Birch(Betula populifolia 'Whitespire')
- whorled milkweed(Asclepias verticillata)
- wild garlic(Allium ursinum)
- wild ginger(Asarum canadense)
- wild ginger(Asarum caudatum)
- wild ginger(Asarum shuttleworthii)
- wild ginger(Asarum splendens 'Quicksilver')
- wild hyacinth(Camassia scilloides)
- wild indigo(Baptisia tinctoria)
- wild leek(Allium babingtonii)
- willow bell(Campanula persicifolia)
- willow bell(Campanula persicifolia 'Alba')
- willow bell(Campanula persicifolia 'Grandiflora Caerulea')
- willow bell(Campanula persicifolia 'Telham Beauty')
- willow-leaved foxglove(Digitalis obscura)
- Wilson's Pink Dwarf Japanese Maple(Acer palmatum 'Wilson's Pink Dwarf')
- windflower(Anemone blanda)
- windflower(Anemone blanda 'Blue Shades')
- windflower(Anemone blanda 'Blue Star')
- windflower(Anemone blanda 'White Splendour')
- windflower(Anemone canadensis)
- windflower(Anemone coronaria)
- windflower(Anemone cylindrica)
- windflower(Anemone hybrida 'Andrea Atkinson')
- windflower(Anemone hybrida 'Honorine Jobert')
- windflower(Anemone hybrida 'Königin Charlotte' QUEEN CHARLOTTE)
- windflower(Anemone hybrida 'Lady Gilmour')
- windflower(Anemone hybrida 'Pretty Lady Diana')
- windflower(Anemone lesseri)
- windflower(Anemone narcissiflora)
- windflower(Anemone tomentosa)
- winged spindle tree(Euonymus alatus)
- winged spindle tree(Euonymus alatus 'Odom' LITTLE MOSES)
- winged spindle tree(Euonymus alatus 'Rudy Haag')
- winter aconite(Eranthis hyemalis)
- winter aconite(Eranthis hyemalis (Cilicica Group))
- winter begonia(Bergenia ciliata)
- winter creeper(Euonymus fortunei)
- winter daphne(Daphne odora)
- winter daphne(Daphne odora 'Aureomarginata')
- winter hazel(Corylopsis glabrescens)
- winter hazel(Corylopsis glabrescens var. gotoana)
- winter hazel(Corylopsis sinensis)
- winter squash(Cucurbita argyrosperma)
- winter squash(Cucurbita maxima)
- winter squash(Cucurbita moschata)
- wintercreeper(Euonymus fortunei 'Variegatus')
- wintercreeper euonymus(Euonymus fortunei 'Canadale Gold')
- wintercreeper euonymus(Euonymus fortunei 'Emerald 'n' Gold')
- wintercreeper euonymus(Euonymus fortunei 'Kewensis')
- wintersweet(Chimonanthus praecox)
- wishing tree(Cassia bakeriana)
- Wolf Eyes Chinese Dogwood(Cornus kousa 'Wolf Eyes')
- wood anemone(Anemone nemorosa)
- wood anemone(Anemone nemorosa 'Lychette')
- wood fern(Dryopteris carthusiana)
- wood fern(Dryopteris crassirhizoma)
- wood fern(Dryopteris cycadina)
- wood fern(Dryopteris lacera)
- wood fern(Dryopteris remota)
- wood reed grass(Cinna arundinacea)
- woodbine(Clematis virginiana)
- woodfern(Dryopteris australis)
- woodruff(Asperula gussonii)
- woodruff(Asperula tinctoria)
- woolly white alder(Clethra tomentosa 'Cottondale')
- woolly yarrow(Achillea tomentosa 'Aurea')
- wormwood(Artemisia absinthium)
- wormwood(Artemisia capillaris)
- wormwood(Artemisia 'Powis Castle')
- wormwood(Artemisia 'Tiny Green')
- wormwood(Artemisia vulgaris 'Cragg-Barber Eye')
- wormwood(Artemisia vulgaris 'Janlim' ORIENTAL LIMELIGHT)
- Worplesdon Sweet Gum(Liquidambar styraciflua 'Worplesdon')
Y
- yarrow(Achillea 'Anblo' ANTHEA)
- yarrow(Achillea 'Apfelblute' APPLEBLOSSOM)
- yarrow(Achillea millefolium)
- yarrow(Achillea millefolium 'little moonshine')
- yarrow(Achillea millefolium f. rosea)
- yarrow(Achillea millefolium 'Paprika')
- yarrow(Achillea millefolium 'Pomegranate')
- yarrow(Achillea millefolium 'Red Beauty')
- yarrow(Achillea millefolium 'Saucy Seduction')
- yarrow(Achillea 'Moonshine')
- yarrow(Achillea 'Schwellenburg')
- yarrow(Achillea (Summer Pastels Group))
- yarrow(Achillea 'Terracotta')
- yarrow(Achillea 'Walther Funcke')
- Yasemin Full Moon Maple(Acer shirasawanum 'Yasemin')
- yellow adder's tongue(Erythronium americanum)
- Yellow Bird Japanese Maple(Acer palmatum 'Yellow Bird')
- Yellow Bird Magnolia(Magnolia 'Yellow Bird')
- yellow buckeye(Aesculus flava)
- yellow camellia(Camellia petelotii var. petelotii)
- yellow coneflower(Echinacea paradoxa)
- yellow giant hyssop(Agastache nepetoides)
- yellow heron's bill(Erodium chrysanthum)
- Yellow Transparent Apple(Malus 'Yellow Transparent')
- yellow twig dogwood(Cornus sericea 'Flaviramea')
- Yellow Variegated Tuliptree(Liriodendron tulipifera 'Aureomarginatum')
- yellow wild indigo(Baptisia sphaerocarpa)
- yellow wild indigo(Baptisia sphaerocarpa 'Screamin' Yellow')
- yellowtuft(Alyssum murale)
- yellowtwig dogwood(Cornus sericea 'Budd's Yellow')
- yellowwood(Cladrastis kentukea)
- yellowwood(Cladrastis kentukea 'Perkins Pink')
- yellowwood(Cladrastis kentukea 'Sweetshade')
- Yemen tree aloe(Aloe sabaea)
- yi yè qiu(Flueggea suffruticosa)
- Yoshino Japanese Cedar(Cryptomeria japonica 'Yoshino')
- Yubae Japanese Maple*(Acer palmatum 'Yubae')
- Yulan Magnolia(Magnolia denudata)