Specimen plant, edge, understory shrub. Can be grown in a large container. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Old leaf bases form long stiff spines. , Wildlife, Provides good wildlife cover. , Habitat, Moist-wet sites. Seep slope forests, regularly but shallowly inundated floodplains, seepage swamps especially associated with springs, hydric seepage , Did You Know?, Interesting foliage, Thorns Attracts beetles.

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.