This perennial climber has slender twinning stems with  divided leaves that have mid green ovate leaflets and forms a dense cover. The large snail-like fragrant light purple to yellow flowers appear in a raceme from summer to autumn and followed by cylindrical pods. 

Hardiness zones 10 to 11

Vigna caracalla is naturally found in South America growing in tropical forests in moist well-drained fertile soil in a humid environment. It prefers an open sunny position and is frost and drought tender. 

The Snail Flower is a twiner that is grown for its attractive scented flowers and climbing habit. It is planted in small or tropical gardens on a trellis or grown over wire fence as a quick screening plant. It is suitable for coastal regions and establishing in one season. In cold regions it is grown as an annual or under glass as a specimen plant. ID 742

Vigna (vee-GN-ah) caracalla (kar-a-KAL-ah)

Fabaceae (fab-AY-see-ee)