About
Sempervivum reginae-amaliae, the Queen Amalie houseleek, is a mat-forming, evergreen alpine houseleek with open rosettes of fleshy, green leaves with red tips and red flowers in summer. A rewarding and ornamental houseleek for a sunny, well-drained rock garden or alpine trough.
About the genus
Sempervivum, the houseleeks, are evergreen perennials forming spreading mats of fleshy-leaved rosettes, often attractively coloured or tipped, with star-shaped, pink or pale-yellow flowers in summer. Excellent and easy-care plants for a sunny, well-drained rock garden, wall, trough or container.
Growing conditions
SunlightFull sun
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeAlpine Rockery, Herbaceous Perennial, Cactus Succulent
HabitMatforming
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants, Rock garden, Gravel garden
Care notes
CultivationGrow in moderately fertile well-drained soil in full sun. Protect from excessive winter wet. Suitable for rock garden, scree bed, wall crevice, trough or alpine house. See hardy cacti and succulent cultivation for further advice
PruningNo pruning required
PropagationPropagate by offsets in spring
Pest resistanceMay be susceptible to sempervivum leaf miner, slugs, snails, and vine weevil
Disease resistanceMay be susceptible to a rust