Sturdy plants with jointed stems and small white or pink flowers. Some kinds tend to get out of hand and need to be controlled.Persicaria bistorta
Native to Eurasia. Makes aclump to 2 1/2 ft. high and 3 ft.wide, with large leaves. Tight,2–3-in. spikes of pale pink orwhite flowers bloom from latespring until well into summer.‘Superba’ is a good pinkselection.
From China. Loose, spikelike clusters of 1 1/2 to 2-in. white flowers open from a profusion of buds re...
Onion relative from the Mediterranean region and western Asia that creates an attractive silhouette. S...
Bears whiteblossoms faintly marked pink,5 in. across, with 40–50 segments.It’s like an improved‘Waterl...