Japanese Indigo or Persicaria Tinctoria, originated from China and Vietnam and is an annual dye plant, part of the Buckwheat family and producing blue pigment (with a high count of Indican the precursor of Indigo). It is Frost tender and has a fast growth (16 weeks in my case from planting the seeds to firstContinue reading “My Indigo diaries 2022 – Day 1 – Planting Japanese Indigo (Persicaria Tinctoria) seeds”