Perennial: Evergreen. Deer resistant. Drought tolerant. Fine fern-like foliage forms a mat of steel blue leaves, greenish flowers are produced on short stems in summer followed by mahogany-red burr-like fruits in fall. Great for borders, rock gardens or mixed containers. Bloom time: summer. Bloom color: green. Height: 2-4". Spread: 12-24". Exposure: sun/part shade. Water: moderate-dry. USDA Z6.