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This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names Stern's hybrid hellebore
Family Ranunculaceae
Genus Helleborus can be rhizomatous, herbaceous or semi-evergreen perennials forming a clump of pedate basal leaves, or evergreen with erect, leafy stems. Large, bowl-shaped flowers are borne in loose clusters in late winter or spring
Details H. x sternii is an evergreen perennial, to 35cm, with purple, biennial stems bearing leaves with three green, pale-veined leaflets. Nodding, creamy-green flowers, suffused with pinkish-purple and 3-5cm in width, are borne in open clusters from late winter to mid-spring
Foliage Evergreen
Habit Clump-forming
Toxicity Ingestion may cause severe discomfort, skin irritant
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H4
Full Sun
Partial Shade
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Sheltered
Chalk
Clay
Loam
MoistureMoist but well-drained
SoilChalk, Clay, Loam
pHAlkaline, Neutral
Ultimate height 0.1-0.5 metres
Ultimate spread 0.1-0.5 metres
Time to ultimate height 2-5 years
Cultivation Thrives in neutral to alkaline soils that are moist, fertile and humus-rich. Partial shade is ideal but can tolerate full sun. Provide shelter from strong, cold winds. Mulch annually in autumn. See hellebore cultivation
Propagation Propagate by seed sown in pots in a cold frame as soon as seed is ripe, or by division in late spring after flowering
Suggested planting locations and garden types Underplanting of Roses and Shrubs Cut Flowers Flower borders and beds Cottage & Informal Garden
Pruning Remove faded or damaged foliage as the flowers appear
Pests May be affected by hellebore aphid and snails
Diseases May be affected by hellebore black death, hellebore leaf spot and a virus
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Stern's hybrid hellebore
Buy from £18.99 at the RHS Plants Shop
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