Perennial Herb: Tolerates drought, deer & gophers. A colorful magnet for pollinators with spikes of light blue flowers spring-fall. Excellent border, rock garden, pot & edge plant. Goes well under garden roses. Combines nicely with Achillea (yarrow). Attracts butterflies & hummingbirds. Size: 14-16" x 18-20". Exposure: sun. Water: moderate/dry. USDA Z3. PPAF