Isatis tinctoria
Isatis tinctoria is a perennial/ biennial herb growing to 1.5 m height. Called also dyer’s woad, glastum or woad, it has entire and oblong-lanceolate leaves. The hermaphrodite flowers have 4 yellow petals and 6 stamens. The fruit is a 1-seeded silique. The leaves and roots of this plant are used in traditional medicine and also to extract a blue dye.
Datasheet
| Common Name | woad/ dyer’s woad/ glastum |
|---|---|
| Botanical name | Isatis tinctoria |
| Family | Brassicaceae |
| Life Cycle | Perennial, Biennial |
| Foliage | Evergreen |
| Basic Colour | yellow |
| Height | 0.6 -> 1.5 m |
| Habitat | wastelands, rockeries and lawns |
| Altitude | 2000 m |
| Bloom Time | May -> June |
| Plant Type | Herb, Medicinal |
| Fruit Type | Silique |
| different tolerances | Tell us |
| Used Parts | Whole plant |
| Plant Uses | Medicine, Dye, Tea |
| Active substances | Tryptanthrin, Hydroxycinnamic acid, Indirubin |
| USDA Zone | 4 (-35), 5 (-29), 6 (-23), 7 (-17), 8 (-12), 9 (-7), 10 (-1) |
| Sun Exposure | full sun |
| Soil pH | Acidic, Alkaline, Neutral |
| Soil Moisture | Dry, Moist |
| Soil Type | Sandy, Silty, Clayey, Stony |
| Propagation | by seeds / by sowing, Self sows |
| Germination | Tell us |
| Pests/ Diseases | Tell us |
Open Next Page To See More Photos.