A historically important source of blue dye going back to Roman times.Contains a lower concentration of indican than other forms of indigo, but grows very easily in temperate climates, and is very hardy.Plants will grow up to a height of 3 feet, and produce a cheerful yellow flower.Leaves yield lovely soft blue dye.
Begin indoors 4-6 weeks before last frost or direct sew after frost. Sow thinly and cover with twice seeds thickness. Thin to 12-36 inches apart. Thrives in full sun and can be sewn in spring, summer or early fall.
Self seeding biennal
When to sow: early spring through early fall
Ease of germination: very good
Family: Cabbage (Brassicaceae)
Colourfastness: Very good
This listing is for a packet of seeds containing around 100 seeds.
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