Water Clover is a lucky charm of the pond. Its delightful clover-shaped foliage floats over the ponds surface. Water clover, a popular pond plant, is grown for its attractive foliage and easy care. Grows in sun to part shade in moist soil or water to 4 inches deep. It can reach 3-6 inches high with a running spread. Zones 5-11. You can winter over by bringing indoors and keeping it as a houseplant.
Buy water clover,hardy bog plant, here.