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Cornus kousa 'John Slocock'
  • RHS AGM

kousa 'John Slocock'

A bushy tree, with a more upright habit than the species, with ascending then spreading branches. Tight clusters of small white flowers are surrounded by four large creamy-white bracts that become blotched pink with age, followed by deep pink fruit in strawberry-like clusters

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Size
Ultimate height
4–8 metres
Time to ultimate height
10–20 years
Ultimate spread
2.5–4 metres
Growing conditions
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink White Green
Autumn Purple Red Red
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Cornaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Cornus can be deciduous shrubs or trees, or creeping, woody-based perennials, some with brightly coloured young stems. Tiny flowers are borne in dense clusters, sometimes with showy bracts. Many have fine autumn colour

Name status

Accepted

How to grow

Cultivation

Grow in fertile, humus-rich, well-drained, neutral to acid soil in sun or light shade. For more advice, see flowering dogwood cultivation

Propagation

Propagate by semi-hardwood or hardwood cuttings or grafting

Suggested planting locations and garden types
  • Architectural
  • Cottage and informal garden
Pruning

Pruning group 1

Pests

Generally pest-free but may be susceptible to horse chestnut scale

Diseases

May be susceptible to cornus anthracnose and honey fungus

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