About
Saponaria officinalis, soapwort, is a rhizomatous perennial forming wide clumps of upright stems bearing ovate leaves and terminal clusters of scented, light-pink or white flowers in summer and autumn. A vigorous and ornamental perennial for a wild garden or informal border.
About the genus
Saponaria, the soapworts, are annuals or perennials with opposite, entire leaves and clusters of pink, purple or white flowers in summer. Popular and easy-care plants for sunny, well-drained borders and rock gardens.
Growing conditions
SunlightFull sun
Soil typeChalk, Clay, Sand
Soil pHAlkaline, Neutral
Soil moistureWell-drained
AspectWest-facing, South-facing, North-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildflower meadow, Wildlife gardens
Native toEurasia
FragranceFlower
Care notes
CultivationGrow in moderately fertile, well-drained, neutral to alkaline soil in full sun. Tolerates poor soils. May be suitable for beds and borders, but has the potential to become a nuisance and should be carefully managed to control spread
PruningNo pruning required
PropagationPropagate by seed or division
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free