Family: Crassulaceae (krass-yoo-LAY-see-ee) (Info)
Genus: Sempervivum (sem-per-VEE-vum) (Info)
Species: calcareum (kal-KAR-ee-um) (Info)
Cultivar: Sir William Lawrence
Synonym:Sempervivum tectorum var. calcareum
 4 members have or want this plant for trade.
Category:
Alpines and Rock Gardens
Perennials
Cactus and Succulents
Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing:
9-12 in. (22-30 cm)
Hardiness:
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure:
Full Sun
Danger:
N/A
Bloom Color:
Pink
White/Near White
Bloom Time:
Mid Summer
Foliage:
Grown for foliage
Evergreen
Succulent
Other details:
Drought-tolerant; suitable for xeriscaping
Soil pH requirements:
6.6 to 7.5 (neutral)
Patent Information:
Unknown - Tell us
Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From leaf cuttings
Seed Collecting:
Unknown - Tell us
| 
