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.

Rare and listed as endangered. Please obtain this plant only from reputable native plant nurseries or friends -- do not harvest from the wild. Little , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Slope forest. On calcareous soils. , Did You Know?, Showy flowers Visited by small insects including bees but the specific pollinators are apparently not known.

The name 'passion' is a reference to the crucifixion of Jesus of Nazareth. Parts of the flower are said to resemble instruments used during the crucif , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Considertions, This plant spreads via stoloniferous rhizomes just beneath the ground surface. In areas with loose sand or mulch it can spread like wildflower sprouti , Wildlife, The young tendrils of purple passionvine are eaten by wild turkey.  Wildlife eat the fruits. , Habitat, Disturbed, brushy areas or disturbed upland hardwood forest, sandhill and scrub. , Did You Know?, Showy flowers, Showy fruits, Interesting foliage Purple passionflower is larval host plant for numerous butterfly species, including Gulf Fritillary