Easy to grow
annual sow thistle
Sonchus oleraceus
Overview
Annual Sow Thistle (Sonchus oleraceus) is an erect, branched herbaceous plant. It is a annual which grows in clumps up to 1m tall. It has a few to many bristly, spiny-toothed leaves, with wavy margins, and a small yellow flower head. It is native to Eurasia and has been naturalized in North America. It is a highly invasive species, outcompeting native plants. It is commonly used as a medicinal plant and the leaves can be eaten raw or cooked.
Care Guide
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Watering
Frequent — every "7-10" days.
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Light
Full sun, Part sun/part shade.
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Temperature
Hardiness zone 4-4.
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Pruning
Best pruned in March, April.
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Propagation
Seed Propagation, Division, Cutting, Layering Propagation, Root Cutting
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