Artemisia absinthium provides the flavoring as well as the psychoactive ingredient for absinthe liquor, a beverage that is illegal in some markets. Known as a powerful neurotoxin, absinthe in large quantities is addictive as well as deadly. The species is popular in the horticultural trade. Prized by gardeners for its gracefully scalloped leaves and gray-green foliage, it creates an attractive and winter-hardy flower border.
Perennial herb or near-shrub 4-10 dm, the stem finely sericeous or eventually glabrate; lvs silvery-sericeous, sometimes eventually subglabrate above, the lower long-petiolate and 2-3 times pinnatifid, with mostly oblong obtuse segments 1.5-4 mm wide, the blade rounded-ovate in outline; upper lvs progressively less divided and shorter-petiolate, the segments often more acute; infl ample, leafy; involucre 2-3 mm; receptacle beset with numerous long white hairs between the fls; achenes nearly cylindric, but narrowed to the base and rounded at the top; 2n=18. Fields and waste places; native of Europe, now established across n. U.S. and adj. Can., throughout our range. July-Sept.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
There are five reports of this species having escaped to roadsides, and I have seen it a few times and collected it once. I believe it may be considered established, especially in the sandy areas of northern Indiana.
Indiana Coefficient of Conservatism: C = null, non-native