This iris and I. hexagona were considered to be a single species until recently.  I. savannarum is the most common iris species in Florida. Moist wil , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Marshes, wet prairie, dome swamps, riverine swamps in openings. , Did You Know?, Showy flowers Attracts bees esp. bumblebees.