Previous species

Next Species

Home Page

Cobweb Houseleek
Scientific Name: Sempervivum arachnoideum L.
Family: Crassulaceae

Sempervivum arachnoideum 'Cebennense' at the Huntington Gardens in early July

Recommended Temperature Zone: sunset: All zones USDA: 7-11 Frost Tolerance: Hardy at least to 10°F (-12°C) Heat Tolerance: Very questionable, avoid full sun in Phoenix in summer, should be probably kept inside behind a sunny window when the temperature exceeds 100°F (-36°C) Sun Exposure: Shade in phoenix in summer Origin: Europe Growth Habits: Clumping rosettes forming mats up to 1 foot in diameter (30 cm); each rosette is small, with the leaves connected together by spriderweb-like fibers. Watering Needs: Moderate water Propagation: Offsets

Blooming Habits:
Blooms in summer. The rosette that bloomed then dies after setting seeds.