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 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
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
H2Botanical 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
- Patio and container plants
- Mediterranean climate plants
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
Deadhead to prolong flowering
Pests
Diseases
Prone to wilt diseases
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.