The clematis 39jackmanii39 is a lush free45flowering variety which provides a stunning floral display in the second half of the summer it produces an extravagant mass of velvet45textured sepals accompanied by smooth cream anthers jackman39s clematis is just ideal for sunny fences and walls it39s suited just as well to north45facing locations jackman39s clematis has earned the renowned rhs agm height 3m 40103941 spread 1m 4033941