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. |
Photographs
