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Herbaceous Perennial

Veratrum nigrum

black false hellebore

A clump-forming, deciduous perennial with pleated, elliptic green leaves to 30cm in length. Upright, leafy stems to 1.2m in height, bear large panicles of small, star-shaped, deep reddish-brown flowers in July and August

Other common names
dark-flowered white hellebore
Synonyms
Veratrum ussuriense

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Red Brown Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Melanthiaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
TOXIC if eaten. Wear gloves and other protective equipment when handling TOXIC to pets if eaten (dogs) - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus

Veratrum are herbaceous, rhizomatous perennials with erect stems bearing alternate, pleated ovate or elliptic leaves and dense, branched panicles of small, star-shaped flowers in summer

Name status

Correct

Plant range
S Europe to Asia

How to grow

Cultivation

Grow in deep, fertile, humus-rich soil that is moist but well-drained; site in partial shade or full sun so long as the soil does not dry out. Shelter from cold, drying winds

Propagation

Propagate by seed in pots in a cold frame as soon as seed is ripe. Propagate by division in early spring or autumn

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

Cut down flowering spike after flowering

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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