Once you have your rose Bonica set in place on.
Sep 21, Remove the oldest canes from the Bonica rose. Use a wire-bristle brush to gently remove the corky-looking bark that formed around the bud union. Before pruning, choose from one of the following: For a taller shrub – cut back by less than one third.
What happens if you prune roses too early?
To maintain its current size – cut your rose back by one third. To reduce its size – cut back by a half or even more. This will reduce the size of the shrub without impacting the. Pruning Bonica Roses: You should prune your rose Bonica in the very early spring when the weather starts to break, but before the leaves begin to open. You will find pruning to be much easier at this time and with less shock to the plant.
This opens up the bush, allowing more air flow, which reduces conditions for diseases.
Start by removing all the dead and discolored wood from the plant and set your cuttings aside. Prune Bonica roses early in the spring while the plants are still dormant or just beginning to grow. Use clean, sharp cutters to avoid damage to the plant and the spread of disease.
Make all cuts about 1/4 inch above a bud that faces outward. Slant the cut away from the bud at a degree angle. Check the canes for canker or other diseased areas.