There’s always more going on underneath the surface of your tree. What might seem like a specimen in peak condition might actually have a hollow trunk and could be posing a significant threat to your property’s safety.
Why is your tree’s trunk hollow? Will you need to schedule professional tree services in Wood River, IL? Read on as we answer these and more questions.

How Tree Cavities and Hollows Develop Over Time
What are the reasons for hollow tree trunks and internal decay? Typically, it all begins when your tree suffers an injury; a branch could break off, or the bark could get damaged.
While your tree has the ability to repair itself, sometimes the injury may be too severe. If it is, and the tree’s sapwood is exposed, fungi, bacteria, and insects will attack the tree, spreading disease and decay that cause the internal wood to rot.
Signs of a Hollow or Decaying Tree Trunk
It’s quite challenging to spot a hollow or decaying trunk. The tree will appear normal and might even continue producing leaves as its insides slowly decay. Thankfully, there are a few signs you can look for when trying to determine if a trunk is hollow, such as:
- Large cavities exposing the internal wood
- Fungus growing on the trunk or around your tree’s base
- Vertical cracks along the trunk
- Decayed wood on the surface
- Missing bark
You could also tap it with a mallet or stick. If you hear an echo, you probably have a hollow tree trunk on your hands.
The Potential Risks of Hollow Trees and Structural Weakness
Since your tree seems fine, you might be wondering how dangerous a hollow trunk is. As it turns out, extremely dangerous.
The trunk plays a vital role in supporting your tree’s internal functions and providing it with the strength it needs to withstand brutal conditions and harsh weather. If it’s hollow or has a cavity, the whole tree’s structural integrity will be compromised. While aging can make trees more vulnerable to damage, tree decline due to aging is usually accompanied by other factors such as disease, decay, or environmental stress.
In such a case, your tree will be more likely to split, lose large branches, or get uprooted and fall onto your roof, fence, or car. The tree becomes even more of a concern if it is already leaning in one direction or close to your home.
Quick action can, however, help you avert disaster. The first step will be to reach out to a certified arborist and have them inspect the tree. Once they confirm your suspicions, they will be able to recommend the appropriate solutions to implement.
Safeguard Your Wood River Property Today
The tree bark regeneration and healing process is a marvel. Sadly, however, some damage is too severe and often leaves you with a hollow tree trunk. As hazardous as the situation is, you can secure your property.
Riverbend Outdoor Services is here to help you ensure the safety of your property and outdoor space by providing you with dependable tree care. Call us today at (618) 407-8733 to book your appointment.










