About

This clump-forming perennial with strongly upright, branching stems to 50cm tall, clad with narrowly lance-shaped green leaves. Spikes of dark, rose-pink star-shaped flowers are produced from June to August. Happy in damp soil beside a pond.

About the genus

Lythrum can be annuals or herbaceous perennials, with simple leaves in opposite pairs and small star-shaped flowers in leafy racemes

Growing conditions

SunlightFull sun, Partial shade
Soil typeClay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Poorly-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildflower meadow, Wildlife gardens

Care notes

CultivationGrow in any reliably moist or even wetter soil in full sun to part shade
PruningDeadhead after flowering
PropagationPropagate by division in spring
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free