Artemisia Princeps

Artemisia princeps, or Japanese mugwort, is a perennial, very vigorous plant that grows to 1.2 meters and is known as yomogi (ヨモギ) in Japan. This species spreads rapidly by means of underground stolons and can become invasive. The Japanese name is yomogi. It bears small, buff colored flowers from July to November which are hermaphroditic, and pollinated by wind. The leaves are feather shaped, scalloped and light green, with white dense fuzz on the underside.