
common evening primrose
Oenothera biennis
Overview
Common evening primrose (Oenothera biennis) is a tall, upright wildflower native to North America and Europe. It has long, lance-shaped leaves and yellow blossoms with four petals that open at night and close during the day. Each flower is cup-shaped and clustered in bunches at the top of the stem. Its stems and leaves are covered in fine hairs giving it a silvery sheen. Common evening primrose is traditionally used to soothe anxiety and promote relaxation. The plant is often utilized to make an herbal tea that acts as a sleep aid. The primrose's seeds can be eaten, utilized in herbal medicine, and are sometimes pressed for their oil. In the garden, common evening primrose makes a stunning addition due to its bright colors, long blooming period, and unique blooming pattern.
Care Guide
Watering
Minimum — every "7-10" days.
Light
Full sun.
Soil
Sandy Loamy Rocky
Temperature
Hardiness zone 4-9.
Pruning
Best pruned in August.
Propagation
Seed Propagation, Division, Cutting, Layering Propagation
Uses & Symbolism
Attracts: Birds, Butterflies.
Diseases & Pests
Common pests: Fungal leaf spot, Mildew, Pest resistant, Disease resistant, Drought resistant .
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