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Aster 'Photograph' AGM

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© RHS 1999

Characteristics

Plant type

Herbaceous Perennial

Habit

Bushy

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Blue in Autumn

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

aster 'Photograph'

Family

Asteraceae


Aster can be perennials, annuals or subshrubs, mostly with narrow leaves, and solitary or clustered, daisy-like flowers, usually in late summer and autumn

'Photograph' is a bushy herbaceous perennial to 1.1m, with small, heart-shaped leaves and arching sprays of single, pale lilac-blue flowers 2cm wide, with light greenish-yellow disk florets

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

Grow in well-cultivated, fertile, moist soil in sun or partial shade; may need staking

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Sand, Clay, Chalk or Loam

Propagation

Propagate by division in spring; division every third year to maintain vigour

Suggested planting locations and garden types

Coastal, Cottage/Informal Garden, Flower borders and beds or Wildlife Gardens


How to care

Pruning

Cut back in late autumn

Pests

Generally pest free

Diseases

Asters may suffer Verticillium wilt, powdery mildews and grey moulds