In late winter or very early spring, the roses.
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 starting to send out new growth in the form of tiny, red buds.
This is around the time when forsythia bushes bloom.

Most standard climbing roses are the exception to this rule. Knock Out Roses Pruning Steps: To maintain a size of 3–4’ w x 3–4’ h, Knock Out Roses should be cut back once a year to 12” high. 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 treeleaning.club: [email protected] Pruning roses is not as complicated as it may seem, though it’s important to follow the right technique for the type of rose you have.
Here’s how and when to prune the roses in your garden! Sure, pruning roses can be a chore, but your efforts will be rewarded by a healthier, well-shaped plant that blooms abundantly and lives longer.
In general, most rose pruning is done in the spring, with a signal like the blooming of the forsythia. In the absence of forsythia, the swelling of leaf buds on your rose bushes can be another good indication. In short, they should be pruned just before growth starts, in March or early April. Rambler, or old garden roses, require pruning after they flower in early summer, because these types only prune once a year on old wood.
Rinse the solution off before cutting.
1 Inspect the canes, beginning at the bottom of the plant. It says"If a plant flowers before May 1, prune just AFTER it blooms. If it blooms May or later, prune in late winter/early spring.