This is Dudleya pulverulenta, also known as Chalk Lettuce, and Live Forever. This interesting succulent likes to live in sun to full shade where it grows a foot or two high. The red blossoms are on display from late Spring until early Summer where they are pollinated mainly by bumblebees and hummingbirds. This is a must have for any rock garden. This cactus is deer resistant, drought tolerant, and salt tolerant. USDA Hardiness Zones 9 to 11.