Photo by Melody
We rolled out several small fixes on January 29. If you encounter any problems, please report them in the designated thread in the DG Site Updates forum.

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

bookmark
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

6 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

Click thumbnail
to view:

By mystic
Thumbnail #1 of Sempervivum calcareum by mystic

By mystic
Thumbnail #2 of Sempervivum calcareum by mystic

By Galanthophile
Thumbnail #3 of Sempervivum calcareum by Galanthophile

By Old_Farmer
Thumbnail #4 of Sempervivum calcareum by Old_Farmer

By Calif_Sue
Thumbnail #5 of Sempervivum calcareum by Calif_Sue

By kniphofia
Thumbnail #6 of Sempervivum calcareum by kniphofia

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Old_Farmer On Nov 12, 2006, Old_Farmer from Napier, WV (Zone 5b) wrote:

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. Dryer conditions will give it a darker color.

Regional...

This plant has been said to grow in the following regions:

Hackettstown, New Jersey
Millersburg, Pennsylvania
Camas, Washington
White Center, Washington
Salem, Wisconsin



We recommend Firefox
Overwhelmed? There's a lot to see here. Try starting at our homepage.

[ Home | About | Advertise | Media Kit | Mission | Featured Companies | Submit an Article | Terms of Use | Tour | Rules | Privacy Policy | Contact Us ]

Back to the top

Copyright © 2000-2015 Dave's Garden, an Internet Brands company. All Rights Reserved.
 

Hope for America