About
An evergreen tree to 10m tall, with a wide spreading crown and rough, furrowed bark. Not hardy in the British Isles. Golden yellow flowers are borne in pyramidal clusters to 30cm long in late summer; these are followed by unusual, inflated, pink-flushed fruit capsules. The large, 2-pinnate leaves are composed of opposite pairs of finely toothed, oval leaflets.
About the genus
Koelreuteria are slender deciduous trees with attractive, pinnately-divided leaves and panicles of yellow flowers followed by bladdery fruits
Growing conditions
SunlightFull sun
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH3
Plant details
Plant typeTrees
HabitSpreading branched
FoliageEvergreen
Height8-12 metres
Spread4-8 metres
Time to full height20-50 years
Suggested usesSpecimen planting, large borders, parkland settings.
Native toTaiwan
Care notes
CultivationUnder glass, grow in peat-free, loam-based compost with added grit, in full light. Water freely in the growing season and apply a balanced liquid fertiliser monthly; water sparingly at other times
PruningSee pruning group 1
PropagationPropagate by root cuttings
Pest resistanceMay be susceptible to glasshouse red spider mite
Disease resistanceMay be susceptible to honey fungus