Japanese indigo’s leaves produce a blue dye. In northern climates, it is much easier to grow Japanese indigo than the more well-known African indigo since it does not require as warm of a growing season.
Plant on 1’ centers in full sun. Harvest when plants reach 2’ tall by cutting several leaf nodes above the soil level. Japanese indigo will resprout from these nodes possibly giving a 2nd harvest. The leaves of 2-4 plants will dye 4 ounces of wool. Annual.
Photo of Japanese indigo dyed wool by Fran Rushworth of Rich & Strange Silk and Wool Work. Read about her experience of dying with Japanese indigo here.
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