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Sempervivum tectorum 'Oddity' (Oddity Houseleek)


Scientific Name

Sempervivum tectorum' Oddity'

Common Names

Oddity Hens and Chicks, Hens and Chicks, Oddity Houseleek, Houseleek, Trumpeter


Sempervivum' Oddity'

Scientific Classification

Family: Crassulaceae
Subfamily: Sedoideae
Tribe: Sedeae
Subtribe: Sedinae
Genus: Sempervivum


Sempervivum tectorum' Oddity' is an unusual looking succulent that creates a mat of little clumps that continue to spread. The leaves have recurved to form hollow, stiff, upright, pointed pipes that are blue-green with purple tips. Rosettes grow up to 4 inches (10 cm) in diameter. Flowers are star-shaped, reddish-purple, and held in flat cymes on the terminal ends of hairy, upright stems. The rosettes die after flowering but are replaced by new rosettes on lateral runners.

How to Grow and Care

Common Houseleek can be grown from seeds, seedlings, or by dividing offsets.

Don't plant your Common Houseleeks too deeply. Dig a shallow hole and spread the roots. Cover to the crown of the plant and tamp the soil gently so that the plant is firm in the ground. Water lightly, but you don't need to water newly planted Common Houseleek every day, the way you would with non-succulents. Common Houseleeks need to let their roots dry out between waterings.

Seeds can be sprinkled on top of a soil, gravel mix and kept moderately moist until they germinate. Once they sprout, sprinkle some fine gravel around them as mulch. Seeds are usually started in pots and then transferred to the garden as seedlings. You can start your seeds in the fall and transplant in the spring.

Common Houseleeks will spread by underground roots. Each plant multiplies by at last 4, in a growing season, by producing little offset plantlets all around the perimeter of the "Hen." These are the "Chicks." The Chicks can be snapped off and replanted elsewhere at any time. See more at How to Grow and Care for a Common Houseleek (Sempervivum tectorum)


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


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