Thalia dealbata (powdery alligator-flag)
General info: Thalia dealbata is a North American native perennial that thrives in shallow water to wet soils in full sun. This marginal aquatic perennial can reach heights up to 10 feet and has striking violet blue blooms.
Landscape uses: Thalia dealbata is an excellent choice for the margins of ponds. This beautiful perennial could add a tropical feel to any bog garden or wet area in your yard.