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AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names kousa Szechuan strawberry
Synonyms Benthamidia japonica Dendrobenthamia japonica
Cornus japonica Benthamidia kousa Benthamia.1 japonica
Family Cornaceae
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
Details C. kousa is 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
Plant range China, Japan, Korea
Foliage Deciduous
Habit Bushy
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H6
Full Sun
Partial Shade
Aspect North-facing or West-facing or East-facing or South-facing
Exposure Exposed or Sheltered
Chalk
Clay
Loam
Sand
MoistureMoist but well-drained, Well-drained
SoilChalk, Clay, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 4-8 metres
Ultimate spread 4-8 metres
Time to ultimate height 20-50 years
Cultivation Grow in well-drained soil in sun or partial shade
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
Diseases May suffer from cornus anthracnose diseases
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