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Woad

Isatis tinctoria

The three foot bush is covered with small yellow flowers in its second year, which will produce deep purple pods. A lovely blue dye is obtained from the leaves and has been used for this throughout Europe for centuries. It is also used by the Chinese as an astrigent, reducing fevers and for its anitviral and antibacterial propterties. 25 seeds

 

Planting

Biennial

Germination:  7-14 days, soaking seeds overnight aids germination

Seed Planting Depth:  Lightly cover

Starting Indoors/Outdoors:  Start indoors 4-6 weeks before last frost. Provide 65-70 degree soil temperature. Transplant 12" apart. Sow outdoors in spring 1-2 weeks before the last frost date, or in the fall , a few seeds every 2-3", thinning to 12" apart. Self sows easily.

Light  Needs:  Full sun 

Soil Needs:  Fertile, well drained but moist

Uses:Dyeing, medicinal, ornamental

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