Perennial: Should be treated like a biennial or short-lived perennial. Fast growing. Attracts butterflies and hummingbirds. Can be planted under Black Walnut trees. Bloom time: summer. Bloom color: fully double peach sometimes tinged with raspberry-pink. Height: 4-6 feet. Spread: 12-18 inches. Exposure: full sun. Water: moderate. USDA Z3.