About

A strong-growing perennial tendril climber with paired oval leaflets and short racemes of white flowers 2-3cm across in summer.

About the genus

Lathyrus can be annuals or herbaceous or evergreen perennials, mostly climbing, with pinnate leaves ending in a tendril, and showy pea-like flowers, fragrant in some species

Growing conditions

SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7

Plant details

Plant typeClimber Wall Shrub
HabitClimbing
FoliageDeciduous
Height1.5-2.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Coastal, Cottage and informal garden, Wildlife gardens
ToxicityPods and seeds are not edible. Wear gloves and other protective equipment when handling. Pets: Pods and seeds are not edible. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants

Care notes

CultivationCan be grown as a climber or allowed to scramble over banks and slopes. It copes with sun or partial shade in fertile well-drained soil. See sweetpea cultivation for further information
PruningCut back to ground level in autumn
PropagationPropagate by seed
Pest resistanceMay be susceptible to aphids, slugs and snails
Disease resistanceMay be susceptible to powdery mildews, Fusarium wilt and sweet pea viruses