Wormwood, Artemisia absinthium, is a naturalized perennial with fibrous roots, native to Europe and North Africa. Excellent soil drainage is essential for this plant that iw best grown in poor to moderately fertile, dry to medium, well-drained soil in full sun. Ornamentally admired for its attractive silver-gray foliage, it is typically clump forming, with erect, non-woody, hairy gray-green stems 2-3′ tall.
This plant is listed as a noxious weed in one or more Midwestern states outside Mississippi and should not be moved or grown under conditions that would involve danger of dissemination.
Photo: Missouri Botanical Garden