Description
Synonyms: Fernleaf Yarrow A perennial with leaves doubly pinnatifid, like fern leaves, woolly hairy; flowers dull yellow, in dense, flat-topped clusters up to 5 inches across; plants very aromatic. Blooms from mid-June through August. Naturalized throughout the United States. Prefers sunny locations and dry soil; tolerant to combination of heat and humidity, drought tolerant; can be very aggressive.