Japanese indigo (Polygonum tinctorium) has been used for centuries to create a rich blue dye. The plant is easy to grow as an annual, and the leaves may be harvested 2 or 3 times during the growing season for a fresh dye vat.
As a source of stunning blue natural dye, the Japanese indigo plant is purportedly easier to grow in northern climates than the more tropical indigo plant. I've ordered seeds for my garden and will be starting them indoors. There are a variety of ways to get the dye out of the leaves. Instead of using chemicals, I will be trying a safer, natural fermentation method. Wish me luck! I'll be keep you posted in the fall at http://JasmineVelvet.com .
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