Sempervivum arachnoideum subsp. bryoides (C.B.Lehm. & Schnittsp.) H.Jacobsen
Cobweb Houseleek, Cobweb Hen and Chicks
Sempervivum arachnoideum subsp. bryoides, Sempervivum bryoides, Sempervivum heterotrichum var. bryoides
Sempervivum arachnoideum var. bryoides is a mat-forming, evergreen, perennial up to 5 inches (12.5 cm) tall, comprising very small rosettes up to 0.4 inches (1 cm) in diameter, of oval, fleshy green leaves tipped with red and covered in a web of white hairs. Mature rosettes can form a stem with a terminal cluster of pink flowers in the summer.
USDA hardiness zones 5a to 8b: from −20 °F (−28.9 °C) to 20 °F (−6.7 °C).
How to Grow and Care
Relatively easy to grow in a container or in the rock garden, scree bed, wall crevice, trough or alpine house. They are ideal in so many ways, as they quickly start to form very tight clusters of rosettes, filling in Sempervivum walls, mosaics and topiary, and their shallow yet fibrous root systems hold soil in place even in vertical plantings. After the plant blooms and sets seed, it will die, but there will be many offsets to take its place.
Plant in well-drained succulent soil mix in full sun to light shade. Water regularly during the growing season and allow the soil to dry out before watering again. Water very little during the winter months… – See more at: How to Grow and Care for Cobweb Houseleek (Sempervivum arachnoideum)
The crushed leaves or its juice is applied externally to boils, wounds, etc. and is also used to stop nose bleeds. The slightly warmed juice has been used to relieve ear inflammations and toothaches can be relieved by chewing on the leaves. When macerated and infused in vinegar, the plant can be used to get rid of warts and corns.
The leaves are harvested in the summer and are best used when fresh since they are difficult to dry properly. The leaf pulp is used to make a cooling face mask for reddened or sunburned skin.
Native to the mountains of central and southern Europe.
- Back to genus Sempervivum
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