An award-winning perennial with a multitude of pure white flowers on graceful, branching upright stems for five weeks or more, above a solid clump of dark green deeply cut leaves. Lovely massed in a woodland setting or spotted into wild rock gardens. An excellent cut flower. Naturalizes by spreading rhizomes in ideal conditions. Herbaceous perennial.
No serious insect or disease problems. Watch for leaf spot, powdery mildew, downy mildew, rust and leaf/stem smut. Caterpillars, slugs and nematodes may be troublesome. Black blister beetles and Japanese beetles can defoliate plant foliage in some areas. Taller plants may need some staking or other support.