Herbaceous Perennial: Tolerates heat and drought. The ColorBlast series sets a new standard for drought tolerant color. Good for containers, hanging baskets, beds and borders for low maintenance color. Attracts hummingbirds. Bloom time: spring-fall. Bloom color: double white. Trailing growth habit. Height: 4-6 inches. Width: 12-18 inches. Exposure: sun/part shade. Water: moderate/dry. USDA Z8.