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Herbaceous Perennial

Stokesia laevis 'Blue Star'
  • RHS Plants for pollinators

Stokes' aster 'Blue Star'

An evergreen perennial with leathery, softly spiney dark green leaves. Large pale blue to pale purple flowers with a white centre appear from summer through to autumn

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

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Evergreen
Habit
Clump forming
Genus

Stokesia are perennials producing evergreen, basal rosettes. The colourful, cornflower-like flowers are long lasting and good for cutting

Name status

Accepted

How to grow

Cultivation

Plant in light well drained soil. In sun or light shade,does best in acidic soil

Propagation

Propagate by division in spring, or root cuttings in winter

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Dead-head to prolong flowering. Tidy foliage in spring when new growth appears

Pests

Generally pest-free

Diseases

Generally disease-free

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