Helleborus × ericsmithii HGC Shooting Star ('Coseh 790'PBR)

RHS Plant Profile
hellebore [HGC Shooting Star]

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hellebore [HGC Shooting Star] RHS / Joanna Kossak
hellebore [HGC Shooting Star] RHS

Synonyms

Helleborus × ericsmithii 'Coseh 790'PBR

Plants for pollinators
Herbaceous Perennial
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A semi-evergreen perennial forming a low mound of leathery, divided, dark green leaves with silvery veins and spiny edges. Flowers borne on short, erect, dark stems are creamy-white with pink reverses; pink and green tinges develop as the flowers age

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam
Moisture
Moist but well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
West–facing or East–facing or South–facing or North–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Clump forming
Potentially harmful
Harmful if eatenskin irritant. Wear gloves and other protective equipment when handling. Pets: Harmful if eatenskin 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 fertile, moisture-retentive, humus-rich but well-drained soil which is preferably neutral or alkaline, in a position with shelter from strong, cold winds and in full sun or light dappled shade. Mulch every autumn; for more advice, see hellebore cultivation

Propagation

Propagate by division of large clumps in early spring, watering well until they are established

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Flower borders and beds
  • Banks and slopes
  • Underplanting of roses and shrubs

Pruning

Remove faded or damaged foliage as the flowers appear

Pests

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

Diseases

May be susceptible to hellebore leaf spot and hellebore black death