This will sanitize the bush and kill the fungus.
Dec 15, The Best Time to Prune Rose Bushes. Rose bushes can be as tough as they are colorful and elegant. A light trim is safe at almost any time of year, whether you're shaping your rose bushes or just. Dec 17, The best time to cut back roses is on spring when the buds start to swell on your rose plants.
The bumps on the canes should be huge and reddish in hue by Reviews: 1. The best time to prune most roses is in late winter or very early spring, before the plants break dormancy (when the buds begin to swell), or when the plants are just.