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.

Is being replaced  by S. lancifolia in Louisiana where there is salt water intrusion into wetlands.  Apparently much less salt tolerant that S. lancif , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Wildlife, Birds are attracted to the fruits. , Habitat, Marshes, wetter portions of wet prairies, swamps. , Did You Know?, Showy flowers, Interesting foliage Attracts insect pollinators.