With shrub roses, pruning tends to be a simple process.
How To Cut Back Overgrown Rose Bushes by 4 Steps. Shrub roses can be pruned with electric hedge trimmers by trimming off about a third of the growth. Remove any shriveled, diseased or broken stems and other wood.
Cut off twigs or branches that rub across or cross each other. Leave three to five strong, healthy branches, each 6 to 8 inches long, when cutting back hybrid tea roses. “Pruning in fall will kill them” said Jacko, a rose expert who grows varieties at her home in Hinckley.
Pruned roses lose food stored in the branches that will keep roots healthy over winter. Mar 09, The middle of March is a great time to prune back your roses. If getting snippy makes you nervous, just remind yourself that you won't kill a rose plant with poor pruning.
The new shrub roses.