Hughes Water Gardens Rainbow Waterlily Collection (6 Plants) A rainbow of color: Copper ,pink, red, white, and yellow flowers dot the waters surface all summer long. Waterlily pads shade the water helping to fight algae and provide shelter for fish. Fertilize regularly, plant in still water in full sun. Very cold hardy, overwinters on pond bottom where it is free from ice. Grows in deeper water than marginal pond plants providing added interest and texture.