Perennial: Drought & salt tolerant. Good cut flower. Loves to be in sandy, chalky, clay soil, yet thrives in hot dry areas in full sun. Sunny summer days, is when you see how big & blue it really is, vibrant, intense electric blue cones, surrounded w/breath taking silver bracts & spiky green folg. Attracts bees & butterflies. Deer & rabbit resistant. Bloom time: summer. water: moderate-dry. Ht: 28-30". Spd: 15-18". USDA Z4.