Scarification: Soak in water, let stand in water for 24 hours
Stratification: none required
Germination: sow seed 1/4 deep, tamp the soil, mulch the seed bed, keep moist
Other: Seed needs warm temperatures after sowing to germinate (75 degrees F +).
Looking for a natural and sustainable alternative to synthetic dyes? Meet Persicaria tinctoria, a flowering plant in the buckwheat family that is commonly known as Chinese or Japanese indigo. This plant is native to Eastern Europe and Asia and was already being used for indigo dyeing during the Western Zhou period, making it one of the oldest known natural dyes. Its leaves contain the blue pigment indigo, which was the most important blue dye in East Asia until Indigofera arrived from the south. Discover the beauty of Persicaria tinctoria and its eco-friendly potential today!