Diervilla rivularis ‘Morton’ SUMMER STARS™ blooms from June and August. This is a dense, compact selection that will grow 3 feet tall and spread to 4 feet. It has a neat, mounded form that in summer is smothered with flowers. The foliage is rich green with a touch of yellow in the veins, and it turns red in fall. The wild species, Georgia bush honeysuckle is native to the Appalachians and is endangered in its native habitat. It is distinguished from the other species by the hairy reddish twigs and underside of the leaves.