Alyssum wulfenianum (Madwort)
Botanical Information
| Family | Brassicaceae |
| Genus | Alyssum |
| Species | wulfenianum |
| Category | Perennials |
| Origin | South-east Alps. |
Details
| USDA Hardiness Zone | 6 - 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 5a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H3 - H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -23 -(-1) |
| Temperature (°F) | -10 - 30 |
| Height | 10 - 15 cm |
| Spread | 50 cm |
| Growth | Slow |
| Flowering Period | June, July |
Description and Growing Information
| Propagation | By seed or root cuttings |
| Cultivation | Grows in well-drained, fertile soil in full sunlight. |
| Pests | Clubroot, mildew, rot and aphids. |
| Habitat | Horticultural origin. |
| Leaf Description | Small, oval, green leaves with grey hairs. |