The genus name honors the English botanist William Vernon, who did fieldwork in North America. Back of a moist wildflower garden. Can also use on the , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Habitat, Exposed sand and gravel bars of streams during low water, stream banks, hydric to wet mesic pine flatwoods. Rich soils. Ruderal. , Did You Know?, Showy flowers Nectar attracts butterflies and native beens.  Larval host for spring azure butterfly.

Multistemmed shrub that can form small thickets. Plant as a screen, hedge, or background plant. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Considertions, Can become aggressive in some habitats. , Habitat, Moist hammocks, dry hammocks, dry hardwood forests , Did You Know?, Fall color, Showy flowers Larval host for southern dogface (Zerene cesonia), gray hairstreak (Strymon melinus), and silver-spotted Skipper (Epargyreu