Equisetum hyemale var. affine (Scouring Rush, Rough Horsetail)
Botanical Information
Family | Equisetaceae |
Genus | Equisetum |
Species | hyemale |
Variety | affine |
Category | Perennials |
Origin | Genus name from the Latin word for horse, 'equus' and 'saeta', meaning bristle or hair. |
Details
USDA Hardiness Zone | 5 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 4a - 6a |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H7 |
RHS Hardiness Ref. | |
Temperature (°C) | -29 - (-23) |
Temperature (°F) | -20 - (-10) |
Growth | Medium |
Description and Growing Information
Notable Specimens | RHS Garden Rosemoor, North Devon, England. |