Most standard climbing roses are the exception to this rule. They typically bloom on old wood, so cutting them back in early spring would cut off new blooms. They should be pruned just after the flowers finish, although you can remove dead or unwanted branches at anytime.
In the summer, prune rose bushes to remove dead or diseased branches. How to Prune Roses – Pruning in 8 Simple Steps Garden Design. Cut them back to where you see a healthy bud.
Step 3: Remove shoots that grow into the wrong direction i.e. crossing each other or growing toward the center of the bush. Step 4: All branches that have flowered in the previous year need to be shortened down to a.