About

A vigorous annual climber with rounded, wavy-edged leaves supported by a central stalk. Produces aromatic, fully double yellow flowers in summer and autumn.

About the genus

Tropaeolum can be annuals or perennials, bushy, trailing or climbing by twining stems, with simple or palmately lobed leaves and showy funnel-shaped flowers with five long-clawed petals and often a spur

Growing conditions

SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH3

Plant details

Plant typeAnnual Biennial, Climber Wall Shrub
HabitClimbing
FoliageDeciduous
Height1.5-2.5 metres
Spread1.5-2.5 metres
Time to full height1 year
Suggested usesCity and courtyard gardens, Cottage and informal garden, Gravel garden, Patio and container plants
FragranceFlower
ToxicitySkin allergen. Wear gloves and other protective equipment when handling

Care notes

CultivationBest grown in poor, well-drained soil in full sun, if the soil is too rich foliage will be produced at the expense of flowers
PruningDeadhead to prolong flowering
PropagationPropagate by seed
Pest resistanceMay be susceptible to glasshouse whitefly and glasshouse red spider mite and whitefly
Disease resistanceMay be susceptible to virus diseases