Japanese Indigo Seed Pack
$4.50
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.
In stock
Grower's Note:
Japanese Indigo thrives in full sun with well-drained, fertile soil. Keep the soil consistently moist, especially during hot spells, but avoid waterlogging. Pinch back the tips to encourage bushier growth and more leaves for dyeing.
Cultural Notes & History:
Cherished for centuries across many asian textile traditions, Persicaria tinctoria produces brilliant blue hues that have adorned fabrics, artwork, and cultural garments. Its role in sustainable dye practices makes it a favorite among natural dyers worldwide. It is also prized for it's medicinal qualities.
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