If you must prune usually for safety reasons, paint.
} In the summer, prune rose bushes to remove dead or diseased branches. Make the cuts one inch below the diseased branch, so only healthy wood remains. Summer is also the time to look for any branches in the center of the bush that are growing across each other. Prune away the weaker of the branches that cross each other. Sep 17, Allow large shrubs to remain large. Many shrub roses bloom on shoots emerging from old wood, so you can't cut back old wood in the spring without sacrificing blooms.
When these plants need pruning, do so little by little. Trim out just a few canes in the spring. And then throughout the year, prune whatever is necessary to maintain the plant's treehaul.clubted Reading Time: 5 mins.

Nov 11, Summer-flowering Bushes Bushes that flower in the summer bloom on growth from the current growing season. These bushes should not be pruned in the summer before blooming, as this would remove the. For better light and air circulation, try to prune the rose bush such that the center of the plant is opened. Cut the stem at a degree angle, which should be about ¼th inch above a bud, facing the outer side of the plant. Make the cut clean, and not ragged.
Remove any weak or twiggy branches.
Trees that Benefit from Summer Pruning Fruit trees: A small trim won't harm fruit trees, but it can reduce the amount of fruit they grow.
Also remove all dead, broken, and diseased wood. Check your rose bush from time to time in late winter/early spring, and when you start to see new shoots growing from the canes on your rose bush, that’s a good sign that it’s time to prune. If you want to cut back your plant less frequently, you can certainly do so.