Zones: 4 to 9
Size: To 2' tall and wide.
Growth Rate: Moderate
Exposure: Sun, Filtered Sun, Part Shade
Fan shaped foliage. Purple to red-purple flowers in spring. Likes moist soil. Deer and rabbit resistant.
Native to Russia, China, Japan and Korea.
Published in Trans. Linn. Soc. London 2: 328 in 1794.