Ptilotrichum spinosum (Madwort)
Botanical Information
Family | Brassicaceae |
Genus | Ptilotrichum |
Species | spinosum |
Category | Perennials |
Origin | The Atlas Mountain in South-east Spain. |
Details
USDA Hardiness Zone | 6 - 10 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 5a |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H2 - H7 |
RHS Hardiness Ref. | |
Temperature (°C) | -23 - 4 |
Temperature (°F) | -10 - 40 |
Height | 15 - 30 cm |
Spread | 30 - 45 cm |
Growth | Slow |
Flowering Period | May, June, July |
Description and Growing Information
Notable Specimens | The Niagara Park Botanical Garden, Niagara Falls, Ontario, Canada. The A.M. Cuddy Gardens, Strathroy, Ontario, Canada. |