About
A vigorous sweet pea to 2m. The white flowers, carried on long stems are 5cm across, with reflexed, wavy standards and spreading, wavy wings.
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 typeClay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH3
Plant details
Plant typeAnnual Biennial, Climber Wall Shrub
HabitClimbing
FoliageDeciduous
Height1.5-2.5 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesCottage and informal garden, City and courtyard gardens, Patio and container plants
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 humus-rich, fertile, well-drained soil in full sun or light dappled shade. Incorporate well-rotted organic manure before planting and apply a balanced liquid fertilizer every two weeks when in growth. Deadhead regularly to prolong flowering. See sweetpea cultivation for further information
PruningNo pruning required but deadhead as soon as flowers fade
PropagationPropagate by seed. Sow in a cold frame in early autumn, early spring or in-situ in mid-spring. See sowing seeds indoors for further advice
Pest resistanceMay be susceptible to aphids, slugs and snails
Disease resistanceMay be susceptible to powdery mildews, Fusarium wilt and sweet pea viruses