Sturdy easy-to-grow plants with handsome leaves and showy white or pink flowers. Some kinds tend to get out of hand and need to be controlled.Persicaria bistorta
Native to Eurasia. Makes a clump to 2 1/2 ft. high and 3 ft. wide, with large leaves. Tight, 2–3-in. spikes of pale pink or white flowers bloom from late spring until well into summer. ‘Superba’ is a good pink selection.
From China. Loose, spikelike clusters of 1 1/2–2-in. white flowers open from a profusion of buds...
Onion relative from the Mediterranean region and western Asia that creates an attractive silhouette. S...
From New Zealand. Tiny gray leaves form a very tight carpet to 1/2 in. high and 1 ft. wide; stems...