****QUEEN OF THE VINE **** GIANT DINNER PLATE FLOWERS***** Among ornamental vines, few bear flowers possessing the majestic splendor of the clemcis. bearing largest flowers are the giant white's! Given the exquisite nature of clematis in full bloom, there is little wonder why it often is referred to as the "Queen of the Vines." Pruning group 2 - repeat bloomer, prune immediately after flowering Bloom time - May/June and September Belongs to Pruning Group 2. This means it blooms on old wood. Pruning should take place in late winter or early spring. Suggested pruning strategy is to cut back to 20 inches year 1, cut back to 30 inches year 2, and then prune to shape in the following years. Heavy pruning of mature plants may result in decreased blooming. Disease shouldn't be a problem. If you do have disease problems you can prune the plant to the ground and start over. If the roots survive the plant will come back