About
Sorbus commixta, the Japanese rowan, is a compact, broadly conical, deciduous tree producing dark-green, ash-like leaves turning yellow, then red or purple in autumn, creamy-white spring flowers in heads to 15 cm across and clusters of red or orange-red berries. A rewarding and ornamental rowan for a sunny, well-drained garden.
About the genus
Sorbus, the mountain ashes, rowans and whitebeams, are deciduous trees or shrubs producing simple or pinnate leaves and clusters of small, white or pink flowers followed by white, yellow, pink, red or brown berries; many provide excellent autumn colour. Rewarding and ornamental trees and shrubs for a sunny, well-drained garden.
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeTrees
HabitBushy
FoliageDeciduous
Height8-12 metres
Spread4-8 metres
Time to full height20-50 years
Suggested usesCottage and informal garden, Wildlife gardens, City and courtyard gardens
Native toE Asia
ToxicityFruit are ornamental, not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental, not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Care notes
CultivationPrefers moist but well-drained acid or neutral soil in full sun or light dappled shade
PruningPruning group 1
PropagationPropagate by seed sown in containers in a cold frame in autumn, taking semi-ripe cuttings in early summer, chip budding in summer or grafting in winter
Pest resistanceMay be susceptible to aphids, scale insects, pear blister mite, red spider mite and sawfly larvae
Disease resistanceMay be susceptible to fireblight, apple canker, silver leaf and honey fungus