From eastern North America. To 34 feet high, 22 feet wide. Long-stalked, glossy, green leaves stand well above surface of water; they are heart shaped, to 10 inches long, 6 inches wide. From late spring to fall, bears short spikes of blue, pink, or white flowers. Blooms attract bees and butter- flies; dragonflies use the flower spikes as landing pads. Good companion to water lilies (Nymphaea); plant in pots of rich soil placed in 1 feet of water. Gives an informal garden pool the look of a wild pond. To use in natural ponds, set plants at shorelineunderwater, directly in the soil. Dormant in winter.