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. |