Can you trim oak trees in July
Ava Robinson
Published Apr 19, 2026
MADISON, Wis. – April brings a high risk for the often-fatal oak wilt disease across the state, and as a result, the Wisconsin Department of Natural Resources (DNR) recommends not pruning or cutting oak trees from April through July. What you can’t see can kill a tree.
What happens if you trim an oak tree in summer?
Trees that Should Never be Trimmed During the Summer Our beloved oak trees should never be trimmed during the summer months. This is because oak trees have a disease called Oak Wilt, which is spread by pests and could infect and even kill oak trees that are trimmed between April and October.
Is it OK to trim live oak trees in the summer?
Avoid Pruning Oaks in the Summer A tree with open pruning wounds may be extra vulnerable to certain diseases, some of which are spread by insects attracted to fresh wounds. That’s especially for oak and elm trees!
Can you trim oaks in July?
The Wisconsin Department of Natural Resources (DNR) urban and forest health specialists recommend not pruning or cutting oaks from April through July to protect oak trees from the often fatal oak wilt disease.When should you not trim an oak tree?
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 October 1. Davey arborists recommend pruning oak trees between November 1 and March 31.
Can I cut my oak tree down?
Oak trees (Quercus) are one of the most common species in North America and as such have laws that control whether they can be removed from residential properties or not. It is not illegal to cut down an oak tree, just as long as it is not protected in your city.
Is it too late to trim oak trees?
Contrary to what many homeowners assume, summer is the worst time of year to cut off oak branches. Instead, it’s best to prune from late fall to early spring—November 1 to March 31 to be precise. These are the months when oak trees are less vulnerable to disease and infestations.
When can you trim oak trees to avoid oak wilt?
Homeowners can reduce the risk of oak wilt infections by not pruning or otherwise injuring oaks after April 15. While high risk of infection decreases to lower risk after mid-July, it’s prudent to simply avoid pruning oak trees from just prior to bud break to leaf drop. This means April to November.Can you cut branches off trees in the summer?
In general, pruning a tree when it is dormant is recommended if there are large branches to remove; that is, pruning between the time the leaves fall from the tree in the fall and the time the buds swell in the spring. However, pruning for safety reasons or minor pruning may also be done in the summer.
How do you trim an oak tree without killing it?- Only Trim in the Winter. With some trees, the time of year for pruning may not matter. …
- Clean Your Trimming Tools Before Use. …
- Be Aware of Which Branches You Trim. …
- Hire an Expert Tree Trimming Company.
What to put on oak trees after pruning?
A thin coat of pruning seal coats pruning cuts and wounds so the fungal spores can’t stick to the sap, grow into the wound and infect the oak. Seal all oak wounds immediately with pruning seal or black paint regardless of the season.
When can you cut branches off trees?
So for us, the best time is during the late winter or early spring. In milder climates, you can trim a tree anytime during the winter while it is dormant. Don’t worry, you can still cut off dead or damaged branches at any time of the year. Just try to avoid doing it on wet, rainy days, or when it’s super humid outside.
Can you trim dead oak branches in the summer?
In winter, you always trim your oaks. This is a sleeping season for oaks when the leaves are dropped and there are no invasive bugs. In summer, it is not advisable to trim your oaks. This is the time when the oaks can become oak wilt, an illness that can spread easily in the summer months.
Can an oak tree be topped?
Firstly, yes – oak trees can be topped. HOWEVER, ‘topping’ IS NOT a recommended practice for any tree, regardless of species or size. The subject of ‘topping’ trees is especially controversial along community right-of-ways.
How much of a tree can you cut without killing it?
If a tree repeatedly loses too much of its canopy at one time, it can become weak or even die from the stress. That’s why you shouldn’t trim more than 25% of a tree’s canopy at one time. Cutting the branch collar can also be a nasty error.
What happens if you cut the top off an oak tree?
Cutting your oak tree top off or topping is not recommended. While an oak tree may survive the first top off cut, it is not healthy for the tree. This is because topping increases the tree’s susceptibility to internal decay or rot, diseases including fungal and insects.
Should I cut dead branches off my oak tree?
Yes, it is perfectly safe to prune dead oak branches any time of the year; however, please avoid cutting into live tissue around the bark collar and around the branch bark ridge.
How much can you trim an oak tree?
Oaks do not tolerate severe pruning and can be killed if topped or severely pruned. Never prune out more than 15% of the green wood in a single pruning and avoid large wounds.
What is the difference between a live oak and a regular oak tree?
One main difference between a live oak and a run-of-the-mill oak is that a live oak is evergreen — almost. It does drop some leaves in the spring but quickly replaces them to keep that photosynthesis thing going. … Oak is pretty tough to begin with, but live oak wood is especially hard. The U.S.S.
Are old oak trees protected?
The reality is you are permitted to prune or cut down any tree on your land, regardless of whether it is healthy or not, if it is not subject to a Tree Preservation Order or located with a conservation area. … Contrary to popular belief, there is not a blanket protection of all Oak trees.
What happens if you prune a tree at the wrong time?
Most importantly, if you make pruning cuts at the wrong time–even good cuts that avoid the most common mistakes described here–you risk leaving your plants and trees susceptible to disease pathogens that are airborne or transmitted through insects.
What are the signs of oak wilt?
Oak wilt is usually identified in red oaks by rapid leaf discoloration and wilting. Often the initial symptom is a subtle off-green color shift that may be visible in the upper portion of the tree crown. This symptom is apparent in the northern part of the disease range in late June to early July.
Can trees recover from oak wilt?
Managing the Disease Prevention is key with oak wilt, as there is no cure for the disease. There are preventative treatments, but trees that are already infected with oak wilt should immediately be removed and destroyed before the disease spreads to healthy trees.
What is the best time to trim a live oak tree?
Once a Live Oak tree reaches its mature stage, it only needs to be pruned every three to five years. For this kind of routine Oak tree trimming and pruning, the best time to prune is in the fall or winter.
Should you trim low branches on trees?
Low Tree Branches Need to Be Trimmed or Removed This is lovely for shade, dramatic in fall, and perhaps great for children to play on. … Still, the majority of the time, you do NOT want to cut away your lower branches! This is because they’re there for an important reason: they serve as a tree’s structural reinforcement.
Do oak Tree branches grow back?
Once a tree branch has been removed correctly (cut at the branch collar) it will not grow back. You will, however, be encouraged to grow on other parts of the tree. When you remove branches from a tree, the tree responds by using excess reserves it would have otherwise used to feed those branches, to grow new ones.
How much does it cost to trim a large oak tree?
Large trees such as pine or oak trees will usually cost between $300 and $1,000 when you hire a professional tree trimming service. If the tree is not easily accessible, expect to spend up to 40% more.
What happens if you cut all the branches off a tree?
It’s when the main branches of a tree are cut back off the top all the way to the trunk. … The main branches may grow in again, but if they do, they will be severely weaker than they were previously. In this case, they will be much more vulnerable to damage or being outright destroyed during future storms.
How do I make pruning paste?
Grate a cup of raw beeswax and add it slowly to the oil. While the beeswax is melting, add a few drops of one or two essential oils. Rob uses tea tree oil, but you can use lavender or rosemary or any oil that has antiseptic properties.
How do you trim a live oak tree?
Make smooth pruning cuts, at the proper place on the tree, so that healing is encouraged (don’t cut too close, but also don’t leave a stub). Never remove more than one-third of the canopy at a time, and allow the tree time to recover and put on new growth before pruning again (about a year is good).
What months are considered late winter?
When is Late Winter? Late winter is 4 to 6 weeks before spring thaw begins. This could be any time in January to May, depending on your climate. Use your average last frost date and count back.