Sempervivum giuseppii

Description

empervivum giuseppii, the roof houseleek, is a naturally-occurring hybrid species of flowering plant in the family Crassulaceae, native to northwest Spain. Its parents are Sempervivum arachnoideum Sempervivum cantabricum.A succulent, cold hardy to USDA zone 7, it has gained the Royal Horticultural Society's Award of Garden Merit