Cut back just before flowers emerge in early spring. Distinctive and still rare here, from the mountains of central China. ONE Pure white, small spurs, deciduous, clumping, delicate looking, but isn't. A late summer giant, many upright stems up to 10'. Full sun, moist soil.
Butterflies love it.
Can be kept shorter with early season cut-backs, but we prefer to let it grow to it's full glory. It's a winner. Eastern USA z5. We listed it last year, but had a propagation failure. On this cultivar the new growth is bright purple red, fading to grey green through the season while the yellowish green flowers heads fade to subtle orange.