Limestone Houseleek Plant Care

Limestone Houseleek (Sempervivum calcareum) belongs to the Crassulaceae family within the Sempervivum genus. Limestone Houseleek is native to the southern Alps in Europe.

Limestone Houseleek displays a low rosette, clumping habit growth habit, reaching up to tall with a spread of approximately . Limestone Houseleek produces small star-shaped flowers in various colors.

Sempervivum calcareum requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Limestone Houseleek thrives in full sun to partial shade.

Sempervivum calcareum grows best at temperatures of 50–80°F. Limestone Houseleek prefers humidity levels of 30–60%.

Well-draining sandy soil mix with added perlite for extra drainage. Good drainage is essential for Limestone Houseleek to prevent waterlogging, which leads to root rot and fungal issues.

Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

Limestone Houseleek can be propagated through offsets (chicks) and seeds. Similar propagation techniques also apply to pitton's houseleek plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Limestone Houseleek is susceptible to aphids, mealybugs, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Limestone Houseleek grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Limestone Houseleek is native to the southern Alps in Europe. In cooler regions, grow Limestone Houseleek as a houseplant or bring it indoors before the first frost.