These rates may be a bit high for fertile clay soils, and somewhat low.

Oct 13, When is the correct time to prune roses in New Mexico? K.K. Santa Fe. Answer: Prune roses in the late winter or early spring. A useful guide is to prune your roses approximately two weeks to one month before the date of the last expected spring frost in your part of the state.

I use this guide because that date varies greatly across our state. Bushes pruned in late fall or early winter may be injured by cold and require further pruning in late winter, resulting in more severe pruning than desired. Early pruning also tends to induce early cane growth that is subject to spring freezes. Mar 08, The optimal window for most rose pruning is two to four weeks before your expected last frost.

Even when pruned at this time, an abnormal late freeze can do Author: Marisa Thompson. Prune to remove dead or diseased growth at any time, though it is best to avoid major pruning from late summer through early winter, as the shrubs will be starting to go dormant.

Deadhead as the flowers fade to keep shrubs blooming longer. Climbing roses are a special group, and are often pruned treedelimbing.barted Reading Time: 5 mins. 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.

Feb 13, The best time to prune roses is in late winter or early spring, around the time new growth begins. This could be as early as January or as late as May, depending on your climate.

When vigorous growth starts, fertilize the plants.

If you'd like to mark your calendar, or set yourself a pruning reminder, here are regional estimates: Zones 3 and 4. Dec 15, Winter Pruning One of the safest times to prune most rose bushes is during the dormant period in winter, between December and the end of February.

To. Aug 17, Pruning your rose bushes can promote new growth. If you trim them before the first frost, it could create new buds that will be killed when the first frost comes along. This can damage the plant and make it produce less flowers in the spring. Wait until your area has had at least 1 frost Views: K.