Someone told you your tree is too tall. Maybe it is growing into the power lines. Maybe it hangs over your roof and makes you nervous every time a storm rolls through. Maybe a neighbor suggested you “just take the top off” to make it safer.
So you call a tree company, and they offer to top it. Quick, cheap, problem solved.
Except it is not solved. It is worse. Topping a tree is one of the most damaging things you can do to it. The International Society of Arboriculture, every major arborist certification body, and decades of research all say the same thing: topping harms trees, creates more danger, and costs you more money in the long run.
Here is why, and what you should do instead.
What Is Tree Topping?
Tree topping is the practice of cutting off the top of a tree’s main stem or cutting back large branches to stubs. It goes by other names too: heading, hat-racking, tipping, and rounding over. Regardless of what you call it, the result is the same. You are removing a large portion of the tree’s canopy in a way that leaves behind ugly stubs with no lateral branches to take over.
A topped tree is easy to spot. Instead of a natural crown with a defined shape, you see a trunk with short, blunt-cut stubs sticking out. In the growing season, those stubs are often surrounded by clusters of thin, whip-like shoots growing straight up. It looks like the tree is trying to grow its hair back after a bad haircut. Because that is essentially what is happening.
Topping should not be confused with proper pruning. A well-pruned tree looks like no one touched it. A topped tree looks like someone attacked it with a chainsaw.
Why Topping Makes Your Tree More Dangerous
This is the part that surprises most homeowners. The number one reason people top trees is to make them “safer” by reducing their height. But topping actually increases the risk of failure.
Here is how:
The new growth is weakly attached. When you cut a branch back to a stub, the tree responds by producing a burst of new shoots called water sprouts or suckers. These shoots grow rapidly, sometimes 4 to 5 feet in a single season. But unlike normal branches that develop deep within the branch tissue with a strong mechanical connection, water sprouts form on the outer surface of the stub. They are essentially glued to the outside rather than anchored from within.
As these new shoots grow and get heavier, their weak attachment point becomes a liability. They are far more likely to break off during a storm than the original branches ever were.
The tree grows back to its original size. Topping does not permanently reduce the height of a tree. A topped tree can regain its original height in as little as two years. But now instead of one well-structured leader at the top, it has multiple competing shoots, all weakly attached, all racing to replace the lost canopy. You have traded one tall tree for a tall tree with a worse structure.
Decay enters through the cuts. Proper pruning cuts are made just outside the branch collar, which is a swollen area at the base of a branch where the tree has specialized tissue for sealing wounds. When you top a tree, you are making large cuts in the middle of branches, far from any branch collar. The tree cannot seal these wounds effectively.
The exposed wood begins to rot. Decay fungi and bacteria move into the heartwood through these open wounds, hollowing out the trunk and major limbs from the inside. Over time, the internal structure weakens while the external growth makes the tree look like it is thriving. The result is a tree that looks healthy on the outside but is structurally compromised on the inside.
It starves the tree. A tree’s leaves are its food factories. Through photosynthesis, leaves convert sunlight into the energy the tree needs to grow, defend itself against disease, and maintain its root system. Topping removes 50 to 100 percent of the leaf-bearing canopy in one cut. This is a shock to the tree’s system.
The tree is forced to use its stored energy reserves to push out new growth as fast as possible. If the tree does not have enough reserves, it may not recover. Even trees that do survive are left in a weakened state, more vulnerable to insects, disease, and environmental stress.
Topping Costs You More Money Over Time
Beyond the damage to the tree, topping is also a bad financial decision.
A topped tree needs to be re-pruned every few years to manage the dense, fast-growing water sprouts. Each round of pruning costs money. If the tree develops decay or structural problems from the topping cuts, you may eventually need to remove the entire tree, which is far more expensive than a single proper pruning would have been.
If a topped tree fails and causes damage to your property or your neighbor’s property, you could face liability issues. Many insurance professionals and attorneys consider topping to be a form of negligence because it is a known harmful practice. If it can be shown that your tree was topped and later failed as a result, that works against you in any dispute.
Compare this to proper pruning, which preserves the tree’s health and structure, reduces risk, and only needs to be done every few years for most species.
What to Do Instead of Topping
If your tree is too tall, too close to your house, growing into power lines, or otherwise causing concern, there are proper solutions that reduce risk without destroying the tree.
Crown reduction. This is the correct way to reduce the height or spread of a tree. Instead of cutting branches back to stubs, an arborist selectively shortens branches by cutting them back to a lateral branch that is at least one-third the diameter of the branch being removed. The lateral branch is large enough to take over as the new end point, and the tree maintains its natural shape.
Crown reduction takes more skill and time than topping, but the results last longer and the tree stays healthy. A properly reduced tree does not produce the explosive water sprout growth that a topped tree does, which means less maintenance in the future.
Crown thinning. If the concern is that the tree is too dense and catching too much wind, crown thinning is the answer. This involves selectively removing interior branches to open up the canopy and allow wind to pass through. Thinning reduces the wind load on the tree without removing the overall structure.
Research has shown that crown thinning reduces tree movement in all wind speeds. It is one of the most effective ways to make a tree more storm-resistant.
Crown cleaning. This is the removal of dead, dying, diseased, or broken branches from the canopy. It does not change the size or shape of the tree, but it removes the branches most likely to fail during a storm. Crown cleaning is a basic maintenance practice that should be done every few years on mature trees.
Removal and replacement. Sometimes a tree is simply in the wrong place. If a tree has grown too large for its location and there is no way to manage it safely through pruning, the honest answer may be to remove it and plant a species better suited to the site.
This is not a failure. It is good planning. Planting a tree that will mature at a size appropriate for its location prevents the whole problem from happening again.
How to Spot a Company That Tops Trees
If a tree service offers to top your trees, that is a red flag. Reputable, knowledgeable arborists do not top trees. Period. The ISA considers topping to be an unacceptable pruning practice, and certified arborists are trained to use proper techniques instead.
Here are warning signs that a tree company may not be following industry standards:
They advertise “topping” as a service. Legitimate companies advertise crown reduction, crown thinning, and proper pruning. They do not use the word topping except to explain why they do not do it.
They do not have ISA Certified Arborists on staff. Certification is not just a title. It means the arborist passed a comprehensive exam, has documented field experience, and stays current with continuing education.
They are not licensed or insured. In New Jersey, tree care operators must be registered with the NJ Board of Tree Experts. Ask for a license number. Ask for proof of insurance. If they cannot provide both, find someone who can.
They pressure you with low prices. Topping is fast and requires less skill than proper pruning. Some operators use low prices to attract customers, but the long-term cost to your tree (and your wallet) is much higher.
What If Your Tree Has Already Been Topped?
If a previous owner or a past tree service topped your tree, the damage is done, but there may still be options.
A certified arborist can assess the tree and determine whether restorative pruning is possible. This involves gradually removing the weakest water sprouts and training the strongest ones to become new leaders. It takes several pruning sessions over a few years, but it can improve the tree’s structure and appearance.
If the topping was severe and the tree has developed significant decay, removal may be the safest option. An arborist can help you make that call based on the specific condition of your tree.
The Right Way to Handle a Tree That Worries You
If you have a tree that feels too big, too close, or too risky, the worst thing you can do is top it. The best thing you can do is call a certified arborist and get an honest evaluation.
At Bumblebee Tree Service, our team follows the pruning standards set by the ISA and ANSI. We will never recommend topping your tree. Instead, we will assess the situation and give you options that actually work: crown reduction, thinning, cleaning, cabling, or removal if the tree is beyond saving.
We provide free estimates for tree pruning and all tree services across South Jersey.
