/resource-center/spring-care/is-your-tree-leaning-when-to-worry-how-to-fix-it/

Is Your Tree Leaning? When to Worry & How to Fix It

A leaning tree can raise questions, concerns, and even alarm for homeowners and property managers. Is it a harmless quirk or a sign of a deeper issue? Should you intervene—or remove it altogether? Understanding why trees lean, when that lean becomes a hazard, and how to respond is key to protecting your home, your landscape, and everyone who enjoys it. That’s where professional tree services come in, offering expert insight into whether your tree requires support, correction, or removal.

This guide walks through the most common causes of leaning trees and what to do about them—whether you're dealing with a young sapling or a mature hardwood tree near your driveway. A leaning tree can pose serious hazards, so it’s important to call a certified arborist to assess the risk. These professionals are highly trained to evaluate structural stability and recommend the safest course of action.

Why Do Trees Lean in the First Place?

A leaning tree doesn’t always mean something is wrong. In fact, many trees lean naturally due to environmental conditions or early growth patterns. That said, knowing the cause is essential to determining the next steps.

Natural Growth Toward Light (Phototropism)

Trees naturally grow toward the sun, especially when planted in shady areas or near taller structures. This directional growth, called phototropism, can lead to a visible lean over the years. It's often seen in forested areas where young trees compete for sunlight.

Wind or Storm Damage

High winds or storms can force trees into a tilted position. While some may straighten over time, others stay leaning due to damaged roots or altered weight distribution. If a tree began leaning after a recent storm, it could be an early sign of deeper structural problems.

Unstable or Eroded Soil

Soil erosion—particularly on slopes or near water—can destabilize the base of a tree. Heavy rains, flooding, or poor drainage may weaken the anchoring power of the roots, causing the tree to shift.

Improper Planting Depth or Staking

Young trees planted too shallow or too deep often struggle to establish a strong root system. Likewise, improper staking—either too tight, too loose, or left on too long—can hinder natural development and cause a lean to develop over time.

Compromised Root System

Mechanical damage during planting, construction, or landscaping can harm roots. Additionally, diseases and insects can compromise the root system, leaving the tree vulnerable to shifting or toppling.

When Is a Leaning Tree a Serious Problem?

Some leaning is natural and harmless. But in other cases, it’s a red flag. Knowing how to evaluate the severity of a tilt is the first step toward protecting your property.

Assessing the Degree of the Lean

Any degree of lean should be taken seriously, as it may indicate underlying root or structural issues. A sudden lean or one that worsens quickly, especially after a storm, requires immediate attention from a trained arborist to determine the risk and next steps.

Root Damage and Structural Weakness

Underground damage is one of the hardest issues to diagnose without professional tools. Girdling roots, compacted soil, or tree decay or rot in the root zone can compromise the stability of the tree. Even when the trunk looks solid, internal tree rot or insect damage can make the structure unsafe.

What to Do If Your Tree Is Leaning

Not every leaning tree needs to be removed. The best course of action depends on the tree's size, age, and the cause of its lean. An arborist can assess these conditions and recommend the safest, most effective solution.

For Young or Recently Planted Trees

Young trees are more adaptable and easier to guide into healthy, long-term structure. Your arborist may recommend several options to support this growth, but because each tree is unique, the right solution will depend on its species, form, and environment.

  1. Check the root ball: Gently press around the base to see if it’s secure.

  2. Adjust and re-stake: Use two or three stakes and soft, flexible ties to gently guide the tree upright.

  3. Allow trunk movement: Loosely secure the ties so the trunk can sway naturally—this strengthens the root system.

  4. Monitor over time: Stakes should be removed according to your arborist’s recommended time frame once the tree has become stable.  However, it’s important to note that removal timing should be based on root establishment and trunk stability first and foremost, not just the amount of elapsed time.

While these steps are helpful in many cases, they may not fully correct the lean depending on the tree’s condition and the cause of the lean. Always consult with a certified arborist to determine whether staking alone is the best approach or if additional intervention is needed.

For Mature or Large Trees

If you’re dealing with a large or mature leaning tree, it’s best to bring in a SavATree ISA Certified Arborist. Mature trees have more extensive root systems, heavier canopies, and higher risk factors. Solutions may include:

  • A supplemental tree support system to reduce stress on weak limbs and provide added support. This should only be done after a full risk assessment and structural evaluation has been provided by a qualified arborist. Not all leaning trees benefit from this type of intervention, especially if root instability is the primary issue. 

  • Selective pruning to redistribute weight and reduce wind resistance

  • Tree removal in cases where the lean poses an immediate danger to people or structures. Additional removal considerations include species, age, lean direction, and potential targets in the fall zone, which all can be assessed by an ISA Certified Arborist.

An expert can help determine whether your tree can be saved or whether removal is the safest route.

Avoid DIY Fixes for Large Trees

Trying to correct a large tilted tree with rope, anchors, or force can backfire. You risk damaging the roots, worsening the lean, or injuring yourself. If the tree is near power lines, buildings, or public areas, professional help isn’t just recommended—it’s essential.

Preventing Lean in the First Place

The best way to avoid dealing with a leaning tree is to plant it right and care for it correctly from the start.

Proper Tree Planting Techniques

A strong foundation begins with planting. Follow these best practices:

  • Plant at the right depth: The root flare should visibly sit just above soil level. This is a key diagnostic indicator for planting depth and root health.

  • Choose the right place: Avoid locations with compacted soil, standing water, or heavy foot traffic.

  • Start with a healthy, straight young tree: Purchase from a reputable nursery to ensure quality and proper early growth.

These steps not only support strong root development but also help you avoid the need to correct leaning tree issues later on.

Staking Trees Properly (When Needed)

If you’re wondering how to straighten a tree without causing long-term damage, proper staking—done at the right time and in the right way—can make all the difference.

Not all trees need stakes. But when they do, it should be done with care:

  • Use two to three stakes placed outside the root ball

  • Tie with flexible, soft material that won’t cut into the bark

  • Allow trunk movement to encourage root growth

  • Remove stakes after recommended timeframe from installation to avoid girdling

This is one of the most effective ways to support young trees without interfering with their natural development.

Maintain Soil Health and Drainage

Healthy roots need healthy soil. To prevent leaning:

  • Avoid compacting soil near the base

  • Ensure proper drainage to prevent erosion or root damage

  • Use mulch to regulate temperature and retain moisture

  • Water consistently during dry spells, especially for new plantings

Creating the right environment gives trees the conditions they need to anchor firmly.

When to Call a Professional

While some leaning trees are harmless, others can compromise safety and should be evaluated carefully, especially when they’re near homes, walkways, or utilities.

You should contact a SavATree ISA Certified Arborist if:

  • The tree began leaning after a storm

  • It’s close to buildings, walkways, or power lines

  • You see heaving soil, decay, or cracking around the trunk

  • You want to mitigate the lean safely and effectively

SavATree’s ISA Certified Arborists can assess the root system, check for internal decay, and determine the safest, most effective solution for your tree.

Whether you’re looking to correct a leaning tree, prevent future issues, or remove a dangerous one, our team offers comprehensive tree service and expert guidance tailored to your landscape.

Sources: 

National Center for Biotechnology Information. Why Do Trees Fall Over? https://pmc.ncbi.nlm.nih.gov/articles/PMC3963583/ 

Penn State Extension. Understanding the Spread of Decay in Trees. https://extension.psu.edu/understanding-the-spread-of-decay-in-trees 

 

Contact us today to schedule a consultation with an expert arborist.