Biennial plant of between 50 and 100 cm in height producing seed whose oil is extracted gamma linolenic acid (GLA) preculsor of prostaglandins. This is very active biologically in the regulation of the immune system. Original from North America and naturalized in Europe since its introduction in the 17th century.
We apply a packaging surcharge of 1 euro per species for orders under 150 € (with a limit of 20 €).
0,10€ - 2,00€
In stock
| For orders of | The unit price is |
|---|---|
| 1 - 9 | 2,00€ |
| 10 - 99 | 0,35€ |
| 100 - 999 | 0,13€ |
| 1,000+ | 0,10€ |
Direct seeding
| Leaf Lifespan | Evergreen |
|---|---|
| Flower Color | Yellow |
| Leaf Color | Green |
| Flowering Season | Early Summer, Late Summer |
| Sowing Season | Early Spring, Late Spring |
| Group | Herbaceous |
| Habitat | Ruderals |
| Plant Lifespan | Biannual |
| Water Requirements | Medium |
| Light Requirements | Full Sun |
| Origin | Native Seeds |
| Soil Type | Sandy |
