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Houseleek, Hen-and-Chickens, Old Man and Woman, Roof House Leek
Sempervivum 'Oddity'

Family: Crassulaceae (krass-yoo-LAY-see-ee) (Info)
Genus: Sempervivum (sem-per-VEE-vum) (Info)
Cultivar: Oddity


Alpines and Rock Gardens


Cactus and Succulents

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

This plant is suitable for growing indoors


under 6 in. (15 cm)

6-12 in. (15-30 cm)


9-12 in. (22-30 cm)

12-15 in. (30-38 cm)


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)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Sun to Partial Shade



Bloom Color:


Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall


Grown for foliage




Other details:

Unknown - Tell us

Soil pH requirements:

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:

Unknown - Tell us


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

Carlsbad, California

Clayton, California

Reseda, California

Roswell, New Mexico

Elizabeth City, North Carolina

Dallas, Oregon

Gold Hill, Oregon

Christiana, Tennessee

Clarksville, Tennessee

White Center, Washington

Milwaukee, Wisconsin

Tomah, Wisconsin

show all

Gardeners' Notes:


On Nov 7, 2006, Old_Farmer from Napier, WV (Zone 5b) wrote:

My 'Oddity' occasionally has a tendency to mutate with completely flat leaves. Could 'Oddity" have been a seedling from 'Emrald Giant'? I have had 7 plants mutate with all leaves flat and it looks exactly like 'Emrald Giant'. I have never seen either of these seed and my plants are seperated in two different greenhouses. If anyone else has wittnessed this please comment about it here.


On Mar 17, 2005, HarryAvis from Oaxaca
Mexico wrote:

Grows and spreads in poor soil with little water and here in Oaxaca, Mexico makes a wonderful ground cover. Propagates as easily as any plant I know of. My sempervivum may not be the hybrid, but the growth habits are the same.


On Aug 16, 2004, daryl from vernon, BC (Zone 6a) wrote:

I just love this sempervivum and it certainly is an 'oddity',looks great in an alpine or in a desert scape garden. Easy to just break off a piece and transplant .


On Apr 9, 2004, Happenstance from Northern California, CA wrote:

Oddity was developed by American succulent enthusiast Sandy McPherson, was introduced to gardeners in 1977, and won the 1978 Bronze Rosette Award for best new variety.

Very reminiscent of Crassula ovata cv. 'Gollum' (syn. Crassula ovata cv. 'Hobbit').