Perennial Grass: Evergreen. Drought, deer & bog tolerant. 2-toned foliage-dark green on top & silver blue underneath. Border, rock garden & ground cover plant. Blooms spring-summer w/blackish purple panicles aging to tan. Attracts butterflies. Habit is vigorous, dense & weed-proof, 6-12" x 6-12", flowers to 20". Sun/part shade. Water: moderate. USDA Z4-10.