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Ceanothus × delileanus 'Topaze' AGM

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© RHS 2001

Characteristics

Plant type

Shrub

Habit

Bushy

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

Dark Blue in Autumn and Summer

Foliage

Pale Green in Autumn, Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

5-10 years


Preferred common name

Californian lilac 'Topaze'

Family

Rhamnaceae


Ceanothus can be evergreen or deciduous shrubs or small trees, with simple leaves and small blue, pink or white flowers in profuse axillary or terminal clusters. They are fast-growing but may be short-lived

'Topaze' is a medium-sized deciduous shrub of rounded, bushy habit, with broad ovate light green leaves, and indigo-blue flowers, in large panicles

Synonym(s)

  • Ceanothus TOPAZ
  • Ceanothus 'Topaze'

How to grow

Sunlight

  • Full sun

Aspect

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

Cultivation

Grow in well-drained soil sheltered from cold, drying winds

Soil

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

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Mediterranean Climate Plants or Wall-side Borders


How to care

Pruning

Pruning group 6

Pests

Generally pest free

Diseases

May be subject to honey fungus