About
A vigorous evergreen climber with twining stems to 6m, with elliptic leaves and 2-lipped flowers 5cm in length, with a gaping yellow throat and reflexed dark red lobes.
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
AspectEast-facing, South-facing
ExposureSheltered
UK hardinessH1B
Plant details
Plant typeClimber Wall Shrub, Conservatory Greenhouse
HabitClimbing
FoliageEvergreen
Height4-8 metres
Spread1.5-2.5 metres
Time to full height5-10 years
Suggested usesPatio and container plants
Native toW. India
Care notes
CultivationGrow under glass in a [eat-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
PruningPruning group 12
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