Zones: 4 to 8
Size: To 12" tall and 18" spread
Exposure: Sun, Filtered Sun, Part Shade
Grey-green leaves, toothed, ovate, hairy, with prominent veins, strongly fragrant when bruised. Purple flowers in whorls in spring to summer. Well-drained soil, not very heat or humidity tolerant. Attracts butterflies. Deer resistant.
Native to Iran, Turkey and the Caucasus.
Published in Encycl. (J. Lamarck & al.) 1: 711 in 1785.