Dolichos lablab. Stunning, lilac bicolored flowers bloom on this vigorous, vining plant with purple foliage. Flowers are followed by dark purple pods. Provide support for best results. Plant on trellis or arbor. Grows 6-8' tall by 2-3' wide. Blooms mid summer. Full sun. Plant in moist, fertile, well-drained soil. Zones 10-11.