Helleborus argutifolius (Corsican Hellebore)
Botanical Information
| Family | Ranunculaceae |
| Genus | Helleborus |
| Species | argutifolius |
| Category | Perennials |
Details
| USDA Hardiness Zone | 7b - 8a |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 7 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5-H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -15 - (-9) |
| Temperature (°F) | 5 - 15 |
| Height | 0.5 - 1 m |
| Spread | 0.5 - 1 m |
| Growth | Medium |
| Flowering Period | February, March, April |
Description and Growing Information
| General Description | Herbaceous clump forming perennial. |
| ID Characteristic | Short stems that hold spiny triplet green leaflets topped with bowl-shaped nodding flowers. |
| Landscape | Flower borders and underplanting. |
| Propagation | Seeds in pots in a cold frame. |
| Cultivation | Best grown in alkaline moist soils. |
| Pests | Hellebore aphid and snails. |
| Habitat | Hillsides, ravines, scrub. |