Cornus kousa

RHS Plant Profile

kousa

Other common names

Szechuan strawberry

Synonyms

Cornus japonica
Dendrobenthamia japonica
Benthamidia kousa
Benthamia.1 japonica
Benthamidia japonica

Trees

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A small bushy tree to 7m tall, with oval leaves turning reddish-purple in autumn, and tight clusters of small white flowers surrounded by four large oval cream bracts and followed by strawberry-like deep pink fruit clusters

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity: 20–50 years
Max Spread: 4-8 metres
Max Height: 4-8 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: North–facing or West–facing or East–facing or South–facing
Exposure: Exposed or 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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Cornaceae
Native to GB/Ireland: 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: Correct
Plant Range: China, Japan, Korea

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

Flower borders and beds

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