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.

Small specimen plant in wet areas.  Does well in bog gardens and rain gardens or bioswales. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Toxic. , Habitat, Marshes, swamps , Did You Know?, Showy flowers Larval host to the monarch butterfly (Danaus plexippus), queen butterfly (Danaus gilippus), and soldier butterfly, (Danaus eresimus). A

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

It is listed as Endangered by the state of Florida. Understory tree. Use as screen or specimen plant. , Tolerance, Tolerant of inundation with brackish water Some tolerance to salty wind but not direct salt spray. , Wildlife, Fruits eaten by birds and small mammals. Hummingbirds visit the flowers. , Habitat, Rockland hammock in coastal areas. , Did You Know?, Aroma, fragrance, Showy flowers, Interesting foliage Nectar plant for Schaus' swallowtail (Heraclides aristodemius) and other butterflies.