This is a wetland plant, but it will do well once established in a moist garden setting. Moist wildflower gardens. Easily grown along streams. , Tolerance, Tolerant of inundation with brackish water Some tolerance to salty wind but not direct salt spray. , Habitat, Riverine swamps, riverine marshes, open wet prairies. , Did You Know?, Aroma, fragrance, Showy flowers Pollinated by sphinx moths. Larval host for Spanish moth a.k.a. convict caterpillar (Xanthopastis timais)

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.