🌸 Indigo
Indigofera tinctoria / Persicaria tinctoria (Japanese indigo)
dye_plants
annual/tender perennial shrub

☀️ Sun
full sun
💧 Water
moderate
🗺️ Zones
[8,9,10,11]
🧪 Soil pH
5.5-7.5
🪴 Soil Type
well-drained, rich
📏 Spacing
12-18 inches
📐 Height
3-6 ft
⏱️ Maturity
90-120 days for leaf harvest
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone
🤝 Companions (4)
⚠️ Keep Apart (0)
No known enemies listed.
📝 Growing Notes
Indigo is a natural blue dye plant used in denim and textiles. The plant is not blue; its precursor compound, indican, is clear. Fermentation and oxidation convert the leaf compounds into a brilliant blue dye. As a legume, indigo also fixes nitrogen.
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
Plot Buddies is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. This does not affect our plant recommendations. We only link to retailers we trust.