About
Lathyrus undulatus is a climbing perennial with pinnate leaves, tendrils and wavy-margined leaflets, producing pea-like flowers in summer. A rewarding and ornamental species for an informal, sunny border or fence.
About the genus
Lathyrus, the peas and vetches, 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. Popular cottage-garden climbers and border plants.
Plant details
Suggested usesWigwams, obelisks, fences, cutting gardens. Unrivalled for scent and cutting.
Care notes
CultivationFertile, moisture-retentive, well-drained soil in full sun. Incorporate plenty of organic matter before planting.
PruningPick flowers regularly and deadhead to prolong flowering. Pinch out growing tips early for bushier plants.
PropagationSow seed in autumn or early spring. Nick or soak seed overnight to aid germination.
Pest resistanceAphids, slugs, and pea moth. Birds may damage young plants.
Disease resistancePowdery mildew in dry conditions. Foot rot in poorly drained soil.