Zones: 3 to 8
Size: To 5' tall and 2' wide
Exposure: Part Shade, Shade
Leaves deeply serrated. Flowers on racemes, white to cream. Stems dark. Prefers a moist soil. Inhibits the growth of nearby plants.
Published in Sp. Pl. 1: 504 in 1753.
Native to Russia, Mongolia, China, Bhutan, India, Nepal, Myanmar and Pakistan.