Symphytum uplandicum (Comfrey)
Botanical Information
| Family | Boraginaceae |
| Genus | Symphytum |
| Species | uplandicum |
| Category | Perennials |
Details
| USDA Hardiness Zone | 4 - 7 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 2a - 6b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5 - H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -34 - (-15) |
| Temperature (°F) | -30 - 5 |
| Height | 60 - 120 cm |
| Spread | 60 - 90 cm |
| Growth | Fast |
| Flowering Period | May, June |
Description and Growing Information
Photographs
Symphytum uplandicum 'Axminster Gold'.