Aquatic iris such as Versicolor. Laevigata, Louisiana have a neutral buoyancy, given the position when they mass up they will form a sustainable floating island.
They can be complemented with several low growing, spreading aquatic plants such as creeping jenny to go the whole hog on picturesque, as well as creating a safe den for fish to frolic about when the big bad bird Mr. Heron comes sneaking about, besides been shaded from hot midday sun
