Kardinal Wyszynski Clematis features showy red star-shaped flowers from mid to late summer. It is a Type 3 clematis; each spring it should be pruned back to within a few inches of the ground, as it flowers on new wood of the season. It is a good choice for attracting bees and hummingbirds to your yard. 8 ft tall, to 2 ft wide. Full sun to partial shade.