DESCRIPTION: L. spongia, the American Frogbit, is an aquatic perennial found from Lake Ontario to the southern United States. It produces small, glossy green, heart-shaped, floating leaves that have a spongy underside tinged with purple. Its trailing roots also have a purplish tint to them. Unnoticeable white flowers are produced.
POTTING: The American Frogbit is simply set on the surface of the water.
PROPAGATION: This plant spreads by means of stolons.
VARIETIES: L. spongia.