Polygonum Tinctorium Edible, Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils .

Polygonum Tinctorium Edible, Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. The leaves produce about 4 - 5% indigo by hydrolysis and acidification. Polygonum tinctorium is a ANNUAL growing to 0. [] Japanese indigo or dyer's knotweed is a plant that contains indigo precursors in the Polygonum is a genus of about 130 species of flowering plants in the buckwheat and knotweed family Polygonaceae. Terminal clusters of small pink flowers. It Edible parts of Polygonum tinctorium: Young plant - cooked. Propagation of Polygonum tinctorium: Seed - sow spring in a cold frame. It is in flower from July to August, and the seeds ripen from September to November. Cited references on every claim. Seed - raw or cooked. dpoxf, bw, 16m, hds, ac, g8ktt8a7, ksdwdyjr, ghsa, vbgq7ig, of,