Perennial Herb: Tolerates deer, rabbits and drought. Native to Europe's high meadows and mountain slopes of the Alps. The beautiful large, nodding flowers are held on erect and sturdy stems. Good rock garden, bed, border, container and cut flower plant. Attracts butterflies and hummingbirds. Bloom time: spring-summer. Bloom color: true blue. Height: 16-24 inches. Width: 10-12 inches. Exposure: sun/part shade. Water: moderate/moist. USDA Z4-8.