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Annual Biennial

Cosmos bipinnatus Sonata Pink ('Pas1787') (Sonata Series)
  • RHS Plants for pollinators

cosmea 'Sonata Pink'

A compact annual to 30cm, with very finely divided leaves. Showy, bowl-shaped, pale pink flowers, 8cm across, are produced in summer and autumn

Synonyms
Cosmos 'Pas1787'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Green
Autumn Pink Green
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H3
Botanical details
Family
Asteraceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Cosmos can be annuals or perennials with simple or pinnately divided leaves and large, long-stalked daisy-like flowers in summer

Name status

Trade

How to grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun

Propagation

See sowing seeds indoors

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • City and courtyard gardens
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds
Pruning

Deadhead to prolong flowering

Pests

May be susceptible to aphids and slugs

Diseases

May be susceptible to grey moulds

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