Japanese Indigo Seed Pack

Scientific Plant Name: persicaria tinctoria or polygonum tinctoria
Common Names: Japanese Indigo, Dyer’s Knotweed
Plant Type: Annual
Net Weight: .10 grams
Minimum Seed Count: 150 seeds
Germination Rate: 90%
Each seed packet contains seeds harvested right here on our farm.
Spacing: 6-10 inches apart for healthy growth and lush leaf production.
Planting: Direct sow after the last frost or start indoors 4-6 weeks before your last frost date. Transplant seedlings outdoors when temperatures are consistently above 50°F (10°C).
Germination: 7-14 days under warm, moist conditions.
Maturity: Ready to harvest within 60 days. Cut and come again. For the richest dye content, harvest before flowering when leaves are at peak indigo potential.