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Herbaceous Perennial

Helleborus niger HGC Wintergold ('Coseh 2010'^PBR)

Christmas rose [HGC Wintergold]

A clump-forming, herbaceous perennial about 30-35cm high, with overwintering leathery leaves of dark green, and upward-facing pure white flowers, about 8cm across, with golden stamens, from early winter to early spring

Synonyms

Helleborus niger 'Coseh 2010'^PBR

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Moisture

Moist but well–drained

pH

Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

South–facing or North–facing or West–facing or East–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Ranunculaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Clump forming
Potentially harmful: Harmful if eaten, skin irritant. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten, skin irritant. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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
Name status: Trade

How to grow

Cultivation

Grow in a position sheltered from strong, cold winds, in dappled shade, in fertile, moisture-retentive, humus-rich but well-drained soil which is preferably heavy, and neutral or alkaline, and mulch every autumn with leaf mould, chipped bark or other organic matter; for more advice, see hellebore cultivation

Propagation

Propagate by division of large clumps in early spring, watering well until they are established; propagation for resale is prohibited without a licence

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Cut flowers
Ground cover
Banks and slopes
Flower borders and beds
Underplanting of roses and shrubs

Pruning

Remove old leaves to help prevent hellebore leaf spot, and deadhead to encourage more flowers

Pests

May be susceptible to hellebore aphid, hellebore leaf miner and snails

Diseases

May be susceptible to hellebore leaf spot and hellebore black death

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