Pruning is one way of stimulating new growth.
Remove any shriveled, diseased or broken stems and other wood. Cut off twigs or branches that rub across or cross each other.
The number of canes that you leave depends on the vigor of the plant.
Leave three to five strong, healthy branches, each 6 to 8 inches long, when cutting back hybrid tea roses. Leave. Feb 05, Need help pruning your roses this winter? Learn how to cut and shape your rose bushes for healthier spring growth. Roses can take more than you might think.

Author: Gardenerd.