When a big tree becomes unstable, it can pose a serious safety hazard. Some trees can look healthy on the outside but may have hidden issues that make them susceptible to suddenly falling, especially during storms or high winds. Identifying the warning signs early can help you take action before disaster strikes. At Roy’s Trees, our local arborists can identify and safely remove hazardous trees. Here are four common signs that a tree may be at risk of toppling unexpectedly. 

Leaning More Than Usual

A slight lean in a tree isn’t always cause for concern, especially if it has been growing at an angle for years. However, a sudden or increasing lean is a red flag. It often indicates that the root system has been compromised, either by decay, shifting soil, or damage. Trees that lean significantly should be inspected immediately. A leaning tree is under stress and could fall with little warning. 

Cracked or Lifting Soil Around the Base

The ground around the base of a tree can provide important clues about its stability. If you notice the soil cracking, bulging, or lifting on one side of the tree, it often means the roots are shifting. This is especially dangerous if it appears after a storm or heavy rainfall, as the saturated soil can loosen the tree’s anchor. These changes in the ground are signs that the root structure is no longer securely holding the tree in place.

Fungus Growing Near the Trunk

The presence of fungal growth around the base of a tree is often a sign of internal decay. These fungi feed on rotting wood, which means there may be significant damage inside the trunk or root system. While a tree might still have green leaves above ground, decay beneath the surface can weaken its structural integrity and make it more likely to fall without warning.

Deep Cracks or Cavities in the Trunk

Visible damage to the trunk—such as large cracks, open wounds, or hollow cavities—indicates that the tree has been structurally compromised. These types of damage can occur from storms, animal activity, or disease. If the center of the trunk is rotting or hollow, it can no longer support the full weight of the tree, increasing the risk of collapse during windy conditions.

Tree Removal in Phoenix, AZ

For tree removal in Phoenix and the surrounding area, contact Roy’s Trees at 602-881-2775. Feel free to give us a call to arrange an arborist estimate in greater Phoenix!