Description

Common yarrow is a perennial herb that producesone to several stems (8 to 16 inches tall) from a fibrous underground horizontal rootstock. It is known to be both native and introduced. Leaves are evenly distributed along the stem, with the leaves near the middle and bottom of the stem being the largest. The leaves have varying degrees of hairiness. Leaf blades are lance-shaped in outline, but are finely divided. Overall leaf dimensions range from ¼ to 1¼ inch wide by 1¼ to 6

inches long. The flower heads have a flattened dome shape (with approximately 10 - 20 ray flowers. The flowers are whitish to yellowish-white.

The plant commonly persists from May through June.