About
A moderately fast-growing, evergreen, perennial twining climber, often grown as an annual, to 2.5m tall with heart-shaped to oval toothed leaves. Flat, salver-shaped, orange to yellow flowers with dark brown centres are borne from summer to early autumn.
About the genus
Thunbergia can be annuals or perennials, often twining climbers, with simple opposite leaves and trumpet-shaped or salver-shaped flowers borne singly in leaf axils, or in racemes, in summer
Growing conditions
SunlightFull sun
Soil typeChalk, Clay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH2
Plant details
Plant typeClimber Wall Shrub, Conservatory Greenhouse
HabitClimbing
FoliageEvergreen
Height1.5-2.5 metres
Spread0.5-1 metres
Time to full height1-2 years
Suggested usesCottage and informal garden, Patio and container plants, City and courtyard gardens
Native toTropical Africa
Care notes
CultivationGrow in well-drained soil in full sun with a support for the plant to climb
PruningNo pruning required outdoors. If grown under glass, pruning group 11
PropagationPropagate by seed or if grown under glass, propagate by semi-ripe cuttings in late summer
Pest resistanceAphids may cause problems and various pests such as glasshouse red spider mite, glasshouse whitefly and scale insects may be a problem under glass
Disease resistanceMay be susceptible to powdery mildews