Is summer a bad time to trim trees?

Author: Eladio Kuhlman  |  Last update: Thursday, January 1, 2026

In summer, healthy trees can start sealing off wounds from pruning cuts while continuing to put out leaves and make energy from sunlight. But if the tree is struggling with heat stress, summer pruning may be too damaging. The best time to prune is in early summer before temperatures have reached their peak.

Is it OK to trim trees in the summer?

Yes. Summer pruning is essential to keep trees to a manageable size and abundant fruit productivity. I know it's hard for a human to do but think of your first time as a long term investment for the health, strength, vigor and production of the tree in the long run.

What months should you not trim trees?

Spring flowering trees should be pruned after flowers have dropped. To avoid the introduction of disease pathogens to oaks and elms, avoid pruning between April 15 and October 15.

How late in summer can you prune?

Late Summer Pruning (August-September) Few plants are pruned this time of year because pruning encourages new growth that does not have time to harden off before winter.

Can you cut dead branches off oak trees in the summer?

Oaks are definitely one tree to refrain from pruning in the summer due to oak wilt. Most trees should be fine, as others have said, it might just cause undue stress.

Why should I trim my trees and when is the best time to do it? | Ask BrightView

Why shouldn't you prune in summer?

Why shouldn't you heavily prune trees in summer? If you prune to excess in summer, next year, your trees may not be as full. Summer pruning takes away from the tree's total number of leaves, and fewer leaves mean less food flowing throughout the tree for next year's growth.

When should you not trim oak trees?

Oak wilt is most active from April to July, which is why you should never trim oak trees in the summer. To be safe, you should avoid pruning between April 1 and November 15. Davey arborists recommend pruning oak trees between November 15 and March 31.

Is June too late to prune trees?

Can Trees Be Pruned In Spring? For most species, the best time to trim trees is in the dormant season — November through March in temperate climates — because they are less susceptible to tree pests or diseases which are inactive then.

When should you not prune?

Pruning in autumn and winter could potentially damage the plant, as it can unbalance the root to shoot ratio during a period when it is too cold to regrow. The best time to prune is after flowering.

What is summer pruning?

Summer pruning is all about “finish work”: trim, tile, cabinetry, etc. It refines form and keeps the interior of the tree open to sunlight, which is vital to fruit production. Remember that it takes >50% direct sunlight striking a branch to produce and maintain fruit buds.

Is there a wrong time to trim trees?

Generally, pruning trees in the summer is not recommended. During the summer months, most trees are still very active and growing. Trimming during this time could discourage new growth for the next season. Ideally, the season when you should prune trees is winter, when the tree is dormant.

What part of a tree should not be cut?

The closer to the tree's trunk roots are cut, the more significant and harmful the damage will be. The 25% Rule – Never cut roots beyond 25 percent of a tree's total volume. The tree may die or fall as a result of this.

Is it okay to cut large branches off trees?

Make proper cuts to insure the health and longevity of your plants. Use the three-cut method when removing large branches. This prevents trunk damage caused by the weight of the branch ripping it and the bark off the tree. Make your first cut about one foot away from the trunk.

What month should I trim my trees?

Generally, the best time to prune or trim trees and shrubs is during the winter months. From November through March, most trees are dormant which makes it the ideal time for the following reasons: Trees are less susceptible to insects or disease.

What is the difference between tree trimming and pruning?

Tree pruning involves the removal of live branches, as well as dead, diseased, and damaged branches for the health of the tree, while tree trimming only involves the removal of branches that interfere in some way.

Can I prune bushes in July?

Shrubs can be trimmed in summer, but avoid trimming spring flowering shrubs which have aready grown shoots for the next spring because this will reduce flowering the following year. Instead, trim them immediately after they have finished flowering but before new shoots have begun to grow.

Why not prune in summer?

Given normal conditions, however, temperate trees and shrubs are well on their way to full winter dormancy by late summer and early fall. Pruning them is not going to induce new growth.

Why you should not prune trees?

Cut too much and you'll risk nutritional deficiencies or branches that are too weak to tolerate the wind or fend off diseases or insect invasions. Over pruning and topping can permanently disfigure your trees, or even kill them. Further, a tree's foliage is important for protecting it against excessive sun exposure.

Can you prune when it's hot?

During hot, dry weather

Much like us, plants get stressed when they are dehydrated. Robbing them of their reserves of moisture by pruning away foliage can cause death.

Can I trim my trees in summer?

Pruning in summer may encourage vigor. In summertime, weak tree growth should be pinched or pruned back about 3 inches from the end of each soft, leafy shoot. This can be repeated in late summer if rapid side-shoot growth occurs.

Is it OK to trim oak trees in June?

Because of this added risk, Davey experts avoid pruning oaks from April through August when the beetles and pathogens are active. Some companies still do trim oak trees during this timeframe, which unnecessarily puts your trees and wallet in danger.

What happens if you prune a tree too late?

These remain dormant during the fall and winter to bloom in the spring. You should save pruning until after these bloom. Rarely, if ever, should you prune a tree in the fall, especially the early fall. The tree will respond with new growth that is vulnerable to drops in temperature.

How do you trim an oak tree without killing it?

Oak trees don't exactly handle extreme pruning well, so be very intentional and thoughtful of which limbs you snip. Never trim off more than 15% of the branches at any one time. If in any doubt about your pruning plans, give an ISA-certified arborist like TreeNewal a call to help you make more confident decisions.

When to trim a maple tree?

The best time to prune your maple trees is in the late winter or early spring — ideally, you should try to get them pruned before they bloom in the spring. However, you can also prune maple trees in the late summer in order to shape them, slow the growth of certain branches, and to get rid of any dead limbs.

When to prune pine trees?

The best time of year to prune a pine tree is in the late winter and early spring, just before new growth starts for the season. This gives the most amount of time for new growth to help conceal pruning cuts.

Previous article
Is breathing ozone bad for you?
Next article
What is the average cost of a new sewer line?