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Herbaceous Perennial

Aster amellus 'King George'
  • RHS AGM
  • RHS Plants for pollinators

Italian aster 'King George'

'King George' is a bushy, upright herbaceous perennial to 60cm, with dark green, oval leaves and yellow-centred, violet-blue daisies 5cm wide in late summer and 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
Chalk
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn Blue Green
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

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

Name status

Accepted

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How to grow

Cultivation

Grow in moderately fertile, well-drained soil in an open sunny position; thrives in alkaline soil

Propagation

Propagate by division in spring or root basal cuttings in spring

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
Pruning

Cut back after flowering

Pests

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

Diseases

May be susceptible to wilts, leaf spot and grey moulds

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