Dudleya brittonii - Giant Chalk Dudleya
Succulent rosette to 1.5 ft. Chalky white leaves. Pink-stemmed inflorescence with yellow flowers in late spring. Attracts hummingbirds. Native to Baja CA. Great in containers or in a rock garden. Plant on a slope or at an angle to deter rot. Full sun to part shade. Low water, needs excellent drainage. Hardy to 20º F.