This species is listed as invasive in parts of the world where it is not native. Water garden, planting of surface water management pond. Often used , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Water. Ponds, lakes, quiet streams, swampa, ditches, canals. This species can be seen in the Lower Hillsborough Flood Detention Area in Hillsborough , Did You Know?, Showy flowers Pollinated by bees and flies.

Grow on a trellis, but keep it fairly short to keep the flowers at a level where they will be enjoyed. Can be grown as a container plant. , Tolerance, Tolerant of occasional/brief inundation such as can occur in storm surges. Moderate. Tolerant of salty wind and may get some salt spray. Exposure t , Habitat, Fringes of mangrove swamps. , Did You Know?, Showy flowers, Interesting foliage May attract sphinx moths.

Useful in coastal restoration or retained along a coastal shoreline for stabilization. Salt marsh coastal stabilizer. Low dune stabilizer. Groundcove , Tolerance, Tolerant of frequent or regular inundation (usually areas with tidal inundation) High. Can tolerate significant and ongoing amounts of salty wind and , Habitat, Dunes, salt marshes, disturbed saline areas.

The species is hermaphroditic (monecious), meaning flowers have both male and female reproductive structures on the same plant. This is a near-endemic , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Marshes and swamps , Did You Know?, Showy flowers Bee pollinated.

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.