Clematis x REGAL® Diamantina™ (Diamantina™ Clematis) PP20638  Free flowering, DIAMANTINA^™, blooms throughout the whole summer. Each 4-6” dark purple, double bloom, can last up to 4 weeks. This exceptional repeat bloomer has several blooms on each stem, DIAMANTINA^™ really puts on a show. (Replaces C. Franziska Maria) Trim to the topmost strong buds in early spring. (Group 2)

Part of the Northern Sunset brand, it prefers part sun to part shade and rich, well-drained soil.

(Image courtesy of Donahue Clematis)