Perennial: Forms unbranched columns of frosted white tightly packed leaves that are stacked vertically along the stems. Slow growing. Can be grown as a houseplant. Good container and rock garden plant. Bloom time: spring, but blooms are infrequent. Height: 5 inches. Exposure: sun/part shade outdoors. Bright indoor light. Water: moderate/dry, USDA Z9-11. Hybrid of C. perfoliata var. minor and C. barklyi