Perennial Herb: Evergreen. Drought, heat, deer & rabbit tolerant. The Supersemps series is an amazing collection of plants that quickly grow extra large 8" rosettes. Onyx has a dark mahogany rosette, excellent for year-round color. Container, rock garden, poolside and border plant. Bloom time: spring-fall. Bloom color: pink. Tidy, compact. Height: 2-8 inches. Width: 4-8 inches. Exposure: sun/part shade. Water: moderate/dry. USDA Z4.