Swamp Rose-mallow is a spectacular wetland perennial producing the largest flowers of any native eastern North American wildflower—up to 12 inches across—in shades of white, pink, and red. It grows in marshes and tidal wetlands along the Atlantic and Gulf coasts. Specialist bees in the genus Ptilothrix are obligate foragers on this plant's pollen.
Best time to see a Swamp Rose-mallow
The best time to see a Swamp Rose-mallow is July–August, when about 67% of U.S. sightings happen, based on 21,445 research-grade iNaturalist observations.
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Recent Swamp Rose-mallow sightings near you
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