Callistephus chinensis Princess Series (d)

RHS Plant Profile
China aster Princess Series

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A tall, annual chinese variety, reaching a height of around 75cm. Double, daisy-like flowers with quilled petals appear in a wide range of red, purple, pink and white shades from midsummer to mid-autumn

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H2

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright, Tufted
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, moist but well-drained soil in full sun. Plant in a different spot each year. May need 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
  • Prairie planting
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds

Pruning

Deadhead to prolong flowering

Pests

May be susceptible to aphids and cutworms

Diseases

May be susceptible to verticillium wilt