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Herbaceous Perennial

Aster alpinus 'Happy End'
  • RHS Plants for pollinators

Clump-forming perennial up to 25cm in height when in flower with a mat of slightly rough, hairy, lance to spoon-shaped, dark green leaves and single, daisy-like flowers, 5cm wide, of deep pink with yellow centres, in early to midsummer

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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
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral, Acid
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Yellow Green
Autumn Green
Winter
Position
  • Full sun
Aspect

West–facing or East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Aster can be perennials, annuals or subshrubs, mostly with narrow leaves, and solitary or clustered, daisy-like flowers

Name status

Unresolved

How to grow

Cultivation

Grow in moderately fertile, well-drained soil in an open sunny position. See aster cultivation

Propagation

Propagate by division in spring or root softwood basal cuttings in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Gravel garden
  • Rock garden
  • Patio and container plants
  • Flower borders and beds
  • Garden edging
Pruning

Deadhead spent flowers to tidy, cut back stem close to the ground in late autumn

Pests

May be susceptible to leaf and bud eelworms, slugs and snails

Diseases

Asters may be susceptible to Verticillium wilt, Powdery mildews and grey moulds

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