LOBELIA – Color Cascade: Clusters of tiny colorful flowers are featured on this annual that blooms all summer until fall frost. Perfect for hanging baskets or window boxes in sunny or partially sunny areas. Can also be used as an edging, foreground plant or in masses. In very hot climates, plant in partial sun. If heat stops the blooming, shear plants. Annual. Partial/full sun. Plants grow 4- 6”/10-15cm.