About
Sophora microphylla, the small-leaved kowhai, is a spreading, evergreen tree or large shrub producing elegant, pinnate leaves composed of up to 40 pairs of small, oblong leaflets and drooping sprays of bright-yellow, tubular, pea-like flowers in spring. A spectacular and rewarding ornamental tree for a sunny, sheltered, well-drained garden.
About the genus
Sophora are deciduous or evergreen trees and shrubs producing elegant, pinnate leaves and pea-like flowers � sometimes fragrant � in racemes or panicles. Rewarding ornamental trees and shrubs for a sunny, well-drained garden.
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH4
Plant details
Plant typeShrubs, Trees
HabitBushy
FoliageEvergreen
Height4-8 metres
Spread4-8 metres
Time to full height20-50 years
Suggested usesCottage and informal garden, City and courtyard gardens, Coastal
Native toNew Zealand
ToxicityHarmful if eaten. Wear gloves and other protective equipment when handling Pets (dogs): Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationGrow in moderately fertile soil in full sun in a sheltered site
PruningPruning group 1
PropagationPropagate by seed sown in containers in a cold frame in spring, or by semi-ripe cuttings with bottom heat in summer or autumn
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to honey fungus (rarely)