Seeds Nymphaea sp. Virginalis White water Lily. A full sun perennial aquatic plant It prefers the full sun and is hardy down to about 15 degrees F. Pure white blooms enhanced by golden centers and leaves with a purple cast. The plant has its roots firmly in the mud and sends out long stems to which their leaves are attached. The big circular leaves are floating at the surface and the flowers above it. Loves full sun but can grow in partial shade.