Black-eyed Susan vine (Thunbergia alata). This fast-growing, twining vine grows 5 to 8 feet tall and has vibrant orange, yellow, or white flower. Full sun.

Cardinal climber (Ipomoea x multifida). This vigorous twining vine grows 20 feet tall and produces deep red flowers with white or yellow throats from summer to fall. Full sun.

Corkscrew vine (Vigna caracalla). This sweetly scented twining vine (also called snail vine) produces silvery blooms with lavender-pink, coiled centers and curved outer petals that look like seashells. Clusters of blooms grow 12 inches long; the vine grows 25 feet tall.

Cypress vine (Ipomoea quamoclit). This twining vine has lacy, fern-like foliage. Grows 20 feet tall in full sun and produces star-shaped red, pink, and white flowers. 

Hyacinth bean (Lablab purpureus). This striking vine produces fragrant purple flowers followed by velvety purple bean pods. Grows best in full sun in hot weather and grows 20 feet tall.