Helleborus corsicus (Holly-leaved Hellebore)
Botanical Information
Family | Ranunculaceae |
Genus | Helleborus |
Species | corsicus |
Synonyms | Helleborus lividus subsp. corsicus, Helleborus argutifolius |
Category | Perennials |
Origin | Corsica and Sardinia. |
Details
USDA Hardiness Zone | 7b |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 8 |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H5 |
RHS Hardiness Ref. | |
Temperature (°C) | -15 – -10 |
Height | 0.5-1 metres |
Spread | 0.5-1 metres |
Growth | Medium |
Flowering Period | February, March, April, May |
Description and Growing Information
General Description | An evergreen perennial to 1 m in height. |
Shape | Clump-forming. |
Landscape | Flower borders and woodland and natural landscapes. |
Propagation | By sowing fresh seed. |
Cultivation | Grow in neutral to alkaline soils that are moist, fertile and humus-rich. Partial shade is ideal but can tolerate full sun. |
Pests | Aphid, snails, and leaf spot. |
Notable Specimens | Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. |
Bark/Stem Description | Stems broaden slightly at the point where the flowering shoot emerges from the stem to carry a head of 20-30 flowers. |
Leaf Description | Strong stems with leaves composed of three spiny-toothed dark green leaflets. |
Flower Description | Bowl-shaped, nodding, pale green flowers 4-5 cm in width borne in large open clusters. |
Photographs
Helleborus corsicus, form, Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Helleborus corsicus, leaf, Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Helleborus corsicus, flower, Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Helleborus corsicus, flower, Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Awards
![](images/RHS_logo.jpg)