Helleborus × ericsmithii Ruby Glow ('Blt01')

RHS Plant Profile
hellebore [Ruby Glow]

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hellebore [Ruby Glow] RHS

Synonyms

Helleborus 'Blt01'

Plants for pollinators
Herbaceous Perennial

A clump-forming, semi-evergreen herbaceous perennial, up to 40cm high, with silver-veined dark green leaves. Red-stemmed flowers, which open pale creamy-pink and then become deep ruby-pink, appear from late winter to early spring

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 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
East–facing or South–facing or North–facing or West–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 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

Suggested planting locations and garden types

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

Pruning

Remove old leaves to help prevent hellebore leaf spot, and deadhead by removing old faded flower stems

Pests

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

Diseases

May be susceptible to hellebore black death, hellebore leaf spot, downy mildews, grey moulds (botrytis), smuts, and virus diseases