The genus name honors the English botanist William Vernon, who did fieldwork in North America. Moist wildflower garden. Also useful to naturalize alo , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Habitat, Hydric to moist savannas, openings along streams, wet pastures, floodplains, bluffs, bay swamps. , Did You Know?, Showy flowers Nectar attracts native bees and butterflies.  Larval host for Spring azure.

Can be cut back to improve appearance, but should not be severely pruned more than once a year. Spores cover undersides of leaves giving them a bi-col , Tolerance, Tolerant of inundation with brackish water High. Can tolerate significant and ongoing amounts of salty wind and salt spray without injury. , Considertions, Not drought tolerant. , Wildlife, Used as cover. , Habitat, Brackish and freshwater marshes, swamps, river floodplains. , Did You Know?, Interesting foliage