Cobweb Houseleek


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

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.


 

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