| Wildflower Information for Isatis tinctoria | |
|---|---|
| Common name(s) | Dyer's woad |
| Family | Brassicaceae (Mustard family) |
| Flowers | color: yellow petals: four |
| Leaves | alternate |
| Lifecycle | biennial |
| Peak bloom period | mid-May to early-June |
| Origin | introduced from Eurasia |
Wildflowers of the National Capital Region
Discovering wildflowers in Maryland, Washington D.C., and Northern Virginia
Isatis tinctoria
Common name: Dyer's woad