General info: Thalia dealbata, commonly called powdery alligator flag, 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 ten feet and is adorned with striking violet blue blooms. Alligator flag will spread by rhizomes and thrives in boggy wet conditions.

Landscape uses: Thalia dealbata is a very versatile emergent species. This species has a tropical look. Which makes it an excellent choice for plantings in the margins of ponds or other bodies of water. This beautiful perennial’s blooms also attract lots of hummingbirds and other pollinators.