Chinese Indigo, Japanese Indigo Persicaria tinctoria - Ampelygonum tinctorium, Pogalis tinctoria , Polygonum tinctorium

Detailed Listing For

Botanical Name:

Persicaria tinctoria

Family:

Polygonaceae

Genus:

Persicaria

Species:

tinctoria

Common Name:

Chinese Indigo, Japanese Indigo

Height:

3 ft

Harvest hemisphere:

Northern

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Persicaria tinctoria

Quantity

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Characteristics

Dye Plant

Growing Info, follow in order:

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 +).

Brief Summary:

Persicaria tinctoria is a species of flowering plant in the buckwheat family. Common names include Chinese indigo and "Japanese indigo." It is native to Eastern Europe and Asia.

The leaves were a source of indigo dye. It was already in use in the Western Zhou period (c. 1045–771 B.C.), and was the most important blue dye in East Asia until the arrival of Indigofera from the south.

http://en.wikipedia.org/w/index.php?title=Persicaria_tinctoria&oldid=860908214

Comprehensive Description:

Persicaria tinctoria is a species of flowering plant in the buckwheat family. Common names include Chinese indigo and "Japanese indigo."^[2]^[3] It is native to Eastern Europe and Asia.

The leaves were a source of indigo dye. It was already in use in the Western Zhou period (c. 1045–771 B.C.), and was the most important blue dye in East Asia until the arrival of Indigofera from the south.