Dyer’s Woad
Description
- Popular name(s): Dyer’s Woad, Woad, Glastum
- Botanical name: Isatis tinctoria
- Family: Brassicaceae
- Origin: Asia, Europe, North Africa and as an introduced species also in North America
- Height: 50 to 120 centimetres
- USDA zone: 5 (-23 °C)
