Avoiding making a sticky mess by pruning certain types of trees during the summer or fall. If you prune them later in the growing season or during winter, you'll remove flower buds and decrease the amount of spring bloom. Since the tree is not active, the removal of limbs will be less stressful to the plant. Most deciduous trees should be pruned in late fall to winter, according to the Wisconsin Horticulture division of the Extension Service.
The ideal time is when the tree is dormant, which is late fall to early spring.
Prune random-branching conifers once new … Fall pruned evergreens are more susceptible to winter injury. Their bare limbs make it easy to see the plant's structure, and the flush of spring growth will quickly heal wounds. The commonly accepted recommendation, not to prune in late summer or early fall does not seem to harm the shrubs.
February through March is generally regarded as the best time to prune most deciduous trees. The absence of foliage at this time of year gives the individual a clear view of the tree and allows the selection and removal of appropriate branches.
Here are a few different types of trees and the best time of year to trim a tree: Deciduous. The best time to prune them is late spring, immediately after they finish blooming. These are the trees which shed their leaves each year. They have entered their dormant season and it’s easy then to see the framework of the branches, and the activity of … Ann asks, “When is the best time of year to trim tree limbs and cut back shrubs?”The best time to prune or trim trees and shrubs is during the late winter while they're dormant, but there are exceptions. Spring flowering shrubs such as lilac and forsythia bloom on the previous season's growth and should be pruned within two weeks after flowering.
Avoid pruning evergreen shrubs in the fall.
Test Garden Tip: To keep spring bloomers flowering vigorously, remove some of the oldest shoots all the way to the ground. By contrast, you'll want to prune some summer blooming shrubs in early spring, because they bloom on new wood; for example, beautyberry and bluebeard. I am often asked when is the best time and what should be pruned. Pruning in late fall or winter certainly works, but late summer or early fall should also work in zone 5. Read on … Late Winter/Early Spring Prune summer-flowering plants, which will flower on the coming season's new growth, while they are still dormant.
Pruning at … Spring blooming bushes such as forsythia are generally pruned just after they bloom.