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Herbaceous Perennial

Astrantia major 'Midnight Owl'
  • RHS Plants for pollinators

Herbaceous perennial with mound forming mid-green leaves and erect flower stems bearing tiny red-purple flowers and reddish purple bracts in the summer

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

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

Exposure
Exposed
Hardiness
H4
Botanical details
Family
Apiaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus

Astrantia are clump-forming herbaceous perennials with palmately lobed basal leaves and branched, erect, wiry stems bearing compact umbels of tiny flowers surrounded by a rosette of showy bracts

Name status

Unresolved

How to grow

Cultivation

Grow in moist, humus rich soil

Propagation

Propagate by seed in containers in a cold frame as soon as ripe, or propagate by division in spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Prairie planting
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds
Pruning

Cut back after flowers have faded to tidy and encourage a fresh flush of leaf growth

Pests

May be susceptible to astrantia leaf miner, slugs and aphids

Diseases

May be susceptible to Powdery mildews

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