About
Rubra Compacta' is a compact semi-evergreen perennial to 8cm tall, with small ovate-lanceolate leaves and loose clusters of deep red flowers 1cm across in summer.
About the genus
Saponaria can be annuals or perennials, with opposite, entire leaves and small clusters of pink or purple flowers in summer
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureWell-drained
AspectEast-facing, South-facing, North-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeAlpine Rockery, Herbaceous Perennial
HabitBushy
FoliageSemi evergreen
HeightUp to 10 cm
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesGravel garden, Rock garden, Patio and container plants
Care notes
CultivationGrow in moderately fertile, well-drained, neutral to alkaline soil in full sun
PruningCut back hard after flowering to maintain compact habit
PropagationPropagate by seed and softwood cuttings
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free