About
A small, clump-forming perennial producing round, pinnate leaves and small, pale-pink flowers in the spring, fading to white.
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, North-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeAnnual Biennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesCottage and informal garden, City and courtyard 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
CultivationGrow in a fertile, humus-rich, well-drained soil in full sun or partial shade. Incorporate organic matter into the soil before planting and feed with a balanced, liquid fertiliser once a month when in growth. Deadhead regularly to prolong flowering. See sweetpea cultivation for further information
PruningRemove after flowering
PropagationPropagate by seed sown in-situ in mid-spring. Germination may be improved by pre-soaking or chipping before sowing
Pest resistanceMay be susceptible to aphids, slugs and snails
Disease resistanceMay be susceptible to powdery mildews, Fusarium wilt and sweet pea viruses