Japanese Indigo Seeds <br / > PERSICARIA TINCTORIA

Persicaria tinctoria seeds produce blue indigo dye suitable for natural dyeing. They grow best in full sun to light shade with fertile, moist soil.

• The description claims that Persicaria tinctoria is frost sensitive and should be protected with horticultural fleece if late frosts occur.
• The description claims that Persicaria tinctoria has excellent dye fastness with proper indigo processes.