|Clump-forming, semi-evergreeen, carefree and generously blooming perennial for summer. Reaches 8 inches tall and about 12 inches wide. White flowerheads form umbels on hairy stems. Silvery gray, hairy leaves are ovate to pinnate. This heat and drought tolerant perennial has a fiberous root system and can become invasive. Divide to maintain. Butterflies are attracted to this plant. Good cut flower that dries well, too.