About
A twining, woody-based perennial, often grown as an annual, with triangular-ovate leaves and salver-shaped, rich orange flowers 4cm across in summer.
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 typeLoam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, East-facing
ExposureSheltered
UK hardinessH1B
Plant details
Plant typeClimber Wall Shrub, Conservatory Greenhouse, Annual Biennial
HabitClimbing
FoliageEvergreen
Height2.5-4 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesPatio and container plants
Native toTropical Africa
Care notes
CultivationGrow under glass in a peat-free, loam-based potting compost in bright filtered light with shade from hot sun. When in growth water moderately and apply a balanced liquid fertilizer monthly. Water sparingly at other times. Can be grown outside during the summer months
PruningNo pruning required
PropagationPropagate by seed or softwood cuttings
Pest resistanceMay be susceptible to glasshouse whitefly, glasshouse red spider mite, aphids and scale insects when grown under glass
Disease resistanceGenerally disease-free