Flowers tend to appear in spring or after a significant rainfall. Otherwise inconspicuous. Small wildflower or plant in with other low groundcovers. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Dome swamp, wet flatwoods, wet prairie. In ditches, wet pastures, roadsides. Often in burned areas. , Did You Know?, Showy flowers Attracts pollinators.

Rarely grown but worthy of consideration for moist areas. Poisonous and nectar may be toxic to some insects. Grow on support or up a tree in moist ar , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, The flowers, leaves, and roots are poisonous and may be lethal to humans and livestock. The species nectar may also be toxic to honeybees if too much , Wildlife, Possibly used by hummingbirds, but toxins in the nectar may make it a last resort. , Habitat, Bogs, acidic swamps, wet river swamps. , Did You Know?, Showy flowers, Interesting foliage Attracts bees.

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.