Deciduous: An old, uncommon variety, that still commands attention. The very large heads, in rose or cobalt blue, are dramatically displayed flat atop upright, sturdy stems. Deer resistant. Attracts bees and butterflies. Bloom time: summer-fall. Bloom color: rose to cobalt blue. Height: 4-5'. Width: 5'. Exposure: sun-part shade. Water: moist. USDA Z5.