Perennial: Deer, drought & gopher resistant. Narrow straight grey-blue leaves in stiff clumps, ideal for containers to provide structure. Goes perfectly beside a pool, pond, or stream where its reflection captures the mood of an aquatic paradise. Winter interest (regional), colorful/attractive foliage, heat tolerant, low maintenance, frost tolerant. Height: 36". Spread: 12". Exposure: sun/part shade. Water: moderate-moist. USDA Z5.