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Annual Biennial

Callistephus chinensis Duchess Series

China aster Duchess Series

Duchess Series are tall cultivars, to 70cm, with fully double, incurved, chrysanthemum-like flowers in red, purple, yellow and pink from midsummer to mid-autumn

Size
Ultimate height
0.5–1 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
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Purple Orange Red White Yellow Green
Autumn Pink Purple Orange Red White Yellow Green
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Callistephus are bushy, upright annuals with coarsely toothed ovate leaves and large, solitary, daisy-like flower-heads, often double in cultivars, in late summer and autumn

Name status

Accepted

How to grow

Cultivation

Grow in a sheltered site in fertile, neutral to alkaline, moist but well-drained soil in full sun. Likely to require staking

Propagation

Propagate by seed sown at 16°C in early spring or in situ in mid-spring

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

Deadhead to prolong flowering

Pests

May be susceptible to aphids and cutworms

Diseases

Prone to wilt diseases

Get involved

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