Shrubby Perennial: Drought tolerant border & container plant with bright yellow flowers in spring-summer. In cool fall weather, the blooms take on peachy highlights. The 3/4-1" blooms open in the morning & close at dusk. Mounded growth. Ht: 12-24". W: 12-24". Sun/part shade. Water: moderate/dry. USDA Z8 or less. Syn. C. drummondii, Oenothera serrulata.