These perennials resemble astilbe, with slowly spreading clumps of finely divided leaves topped in summer by plumy, branched clusters of tiny white or cream flowers. Good in perennial borders or at edge of woodland against a dark background.Aruncus dioicus
Native to Eurasia and to southeastern and south-central Alaska. Grows to 6 (sometimes 7) ft. tall, 4 ft. wide, with foamy plumes of white flowers in 20-in., much-branched clusters.
Native to Europe and western Asia. Broad-crowned, densely foliaged tree to 50–60 ft. tall, from ...
Native from central Europe to Siberia. To 1 1/2 ft. high, 1 ft.wide. Pale blue or white flowers i...
Rounded, 1/2 –2-ft.-wide clump sends up 2-ft.-tall stems clothed in pointed oval, glossy green l...