Zones: 5 to 9
Size: To 4' tall and 3' wide
Growth Rate: Fast
Exposure: Sun, Filtered Sun, Part Shade
Green spikes with purple flowers in summer to autumn. Bushy perennial with mint and licorice scented leaves. Moist, well-drained soil. Tend to be short-lived. Attractive to butterflies (Oudolf).
Published in Revis. Gen. Pl. 2: 511 in 1891.
Basionym Lophanthus rugosa Fisch. & C.A.Mey.
Native to Korea, Russia, China, Japan, Taiwan and Vietnam.