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. |