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Herbaceous Perennial

Prunella grandiflora 'Alba'

large selfheal 'Alba'

A spreading, semi-evergreen perennial to 15cm tall, grown for its tubular, white flowers carried in whorls on leafy stems in summer. Grow as groundcover on a bank or in a wild garden, where the flowers attract pollinating insects

Synonyms
Prunella grandiflora var. alba
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Lamiaceae
Native to GB / Ireland
No
Foliage
Deciduous or Semi evergreen
Habit
Matforming
Genus

Prunella are semi-evergreen perennials of spreading habit, the prostrate stems rooting at the nodes, with dense, short spikes of small, 2-lipped flowers

Name status

Accepted

How to grow

Cultivation

Grow in any moist but well-drained, moderately fertile soil in sun or partial shade

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types
  • Wildlife gardens
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
  • Underplanting of roses and shrubs
Pruning

Clip back after flowering to maintain a compact shape

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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