Helleborus niger 'HGC Josef Lemper'PBR

RHS Plant Profile
Christmas rose 'HGC Josef Lemper'

Synonyms

Helleborus niger 'Joseph'

Plants for pollinators
Herbaceous Perennial

An upright herbaceous semi-evergreen to evergreen perennial with palm-shaped dark green leaves and lightly scented, single rounded white flowers with light green centres appearing from late autumn until late winter

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
North–facing or South–facing or East–facing or West–facing
Exposure
Sheltered
Hardiness
H7

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Evergreen, Semi evergreen
Habit
Bushy, 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
Accepted

How to Grow

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

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Rock garden
  • Cut flowers
  • 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 black death, hellebore leaf spot, downy mildews, grey moulds (botrytis), smuts, and virus diseases