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Sempervivum, Hen-and-Chickens, Houseleek, Old Man and Woman, Roof House Leek 'Sir William Lawrence'

Sempervivumcalcareum

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Family

Crassulaceae (krass-yoo-LAY-see-ee)

Info

Genus

Sempervivum (sem-per-VEE-vum)

Info

Species

calcareum (kal-KAR-ee-um)

Info

Synonym

Sempervivum tectorum var. calcareum

Sun Exposure

Full Sun

Foliage

Grown for foliage

Evergreen

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)

Danger

N/A

Bloom Color

Pink

White/Near White

Bloom Time

Mid Summer

Other Details

Gardener's Notes:

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positive

neutral

negative

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Old_Farmer

Napier, WV (Zone 5b) | November 2006 | positive

Sir William Lawrence is very dark purple tipped and compact plant averaging in size from 2 to 2-1/2 inch and about 3/4 to 1 inch high. Dr...Read More

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Sempervivum, Hen-and-Chickens, Houseleek, Old Man and Woman, Roof House Leek 'Sir William Lawrence'

Sempervivumcalcareum

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