This is native to high altitudes of France and Italy, forms rosettes to 4″ with grayish-green leaves with some reddish burgundy tints, especially at the tips. There are many new cultivars on the market; some with reddish tips or others with nearly half the leaf reddish. In the past, Sempervivums were planted on roofs in Europe and it was believed that they had the ability to protect the house from lightning strikes or other attacks. Star-shaped rose flowers in summer months. Considered hardy to Zone 5. Requires porous soil with adequate drainage. Filtered sunlight but prefers shade during summer dormancy. Water thoroughly when soil is dry to the touch. Although very cold tolerant, best to provide frost protection to prevent possible scarring.