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 amplexicaulis
Himalayan native. Forms a big clump to 4 ft. tall and wide when plants are in flower. Medium green leaves are pointed ovals up to 10 in. long. Blooms profusely from midsummer to fall, bearing narrow, 4-in. blossom spikes similar to those of lavender but in a wider range of colors—pink, purple, red, white.
Himalayan native. Forms a big clump to 4 ft. tall and wide when plants are in flower. Medium green lea...
China and Japan. This running bamboo grows 3 ft. tall and spreads rapidly. Leaves are broad, 2 ft. lon...
Native from Vermont to Alabama, west to North Dakota, Wyoming, and New Mexico. Stout-stemmed plant to ...