Container for aquatic plants, which can be filled with water, the side walls and bottom of which comprise an outer wall and a bottom wall, respectively, in each instance, followed, toward the interior of the container, by an intermediate layer that consists of an insulating material. On the inside of the container, the insulating material is completely covered with a water-tight plastic film, in the manner of a tub, or by a water-tight basin composed of transparent glass. On the bottom of the tub or of the basin and/or in a plant pot situated in the container, there is a plant culture medium that makes growth of aquatic plants possible, and preferably winter-hardy and/or non-winter-hardy aquatic plants are disposed in the container, which is filled with water.
