Artemisia princeps

Artemisia princeps, also commonly called yomogi, ssuk, Japanese mugwort, Korean wormwood, Korean mugwort or wormwood in English, is an Asian plant species in the sunflower family, native to China, Japan and Korea. It is a perennial, very vigorous plant that grows to 1.2 meters (3 ft 11 in). This species spreads rapidly by means of underground stolons and can become invasive. 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....read more on Wikipedia.