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Herbaceous Perennial

Prunella 'Blue Pearl'

selfheal 'Blue Pearl'

A spreading perennial to 30cm, with rooting stems bearing oblong or ovate leaves and short, erect spikes of deep violet-blue, tubular flowers in summer and early autumn

Synonyms
Prunella grandiflora 'Blue Pearl'
Prunella vulgaris 'Blue Pearl'
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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
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Poorly–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Purple Blue Green
Autumn Purple Blue Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Lamiaceae
Native to GB / Ireland
No
Foliage
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

Unresolved

How to grow

Cultivation

Easy to grow plant for any soil in full sun or partial shade. May be considered invasive. Attract bees and other beneficial insects. Good ground cover

Propagation

Propagate by division

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

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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