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 virginiana
Native to eastern North America, east Asia. To 2–4 ft. tall, spreading indefinitely by creeping rhizomes. Oval green leaves 3–10 in. long; insignificant flowers. The species is rarely found in gardens.
To 5 ft. Outstanding glossy green, heavily ribbed leaves. A profusion of bright red flowers in midseas...
Native Europe to Iran. Dense, pyramidal tree to 40 ft. high and eventually as broad as tall, with droo...
From northern Iran. To 8–12 in. high, with nearly evergreen foliage. Flowers have yellow sepals ...