Isatis tinctoria

Used to make a lovely blue dye, especially in regions where the sub-tropical indigo plants do not survive. A native of southeastern Europe and West Asia. Direct seed in spring. Harvest leaves for dye production. Biennial.

Average Seed / oz Seed / 100' Row Average Yield / 100' Row Days to Harvest
3200 n/a n/a 100-150
Planting Season Ideal Soil Temp Sun Frost Tolerance
After Last Frost 65-80°F Lightly Tolerant
Sowing Method Seed Depth Direct Seed Spacing Seeds Per Packet
Transplant or Direct Seed 1/8" 2-4" 35
Mature Spacing Days to Sprout Production Cycle Seed Viability
10-12" 7-14 2 years