Cochliasanthus caracalla, Snail bean vine

Snail bean vine, corkscrew flower

Cochliasanthus caracalla, Vigna caracalla

Hardiness: Zones 9 to 12
Plant type: Vine
Height: 12- 30'
Spread: 3- 6'
Sun: Full Sun
Water: Medium
Bloom time: July to October
Bloom color: White and lilac-purple
Soil: Performs best in moist, fertile, well-drained soils.

Notes: Needs a support to grow on, and should be overwintered indoors by a sunny window, or grown as an annual.

More information on this plant here.