Annual (in the North) twiner that grows up to 15 feet. Blooms summer to frost. Features fragrant, trumpet-shaped white blooms are 5 to 5½ inches across and unfurl in late afternoons for night bloom. Each blossom lasts only a day. Foliage is rich green with round or heart-shaped leaves.
Needs sun or partial shade; hardy in zones 9 to 11.