Trees are vital parts of our landscapes, providing shade, beauty, and even improving air quality. However, just like any living organism, trees can experience health problems. Knowing how to recognize the signs that a tree is dying can help you take action early, whether it’s saving the tree or safely removing it before it becomes a hazard.

In this blog, we’ll walk you through the most common signs of a dying tree and give you some tips on what to do if you think one of your trees is in trouble.

1. Look for Dead or Dying Branches

One of the most obvious signs of a tree in distress is the presence of dead or dying branches. These branches may have no leaves, or the leaves they do have may be brown, brittle, and curled.

• How to check: Gently bend a small branch. If it snaps easily and feels dry or brittle, it’s likely dead. A healthy branch will bend and feel flexible.
• What it means: Dead branches indicate that the tree isn’t able to properly nourish or sustain parts of itself, which can be a sign of root problems, disease, or old age.

2. Abnormal Leaf Drop or Discoloration

While trees naturally shed leaves in the fall, an unusual or early leaf drop could be a sign that something is wrong.

• How to check: Look for large amounts of leaves falling in late summer or early autumn. Also, check for leaves that are turning yellow, brown, or black prematurely.
• What it means: Excessive leaf drop or discoloration could indicate stress from diseases, pests, poor soil quality, or root issues. In some cases, it could also be a symptom of dehydration, fungal infections, or nutrient deficiencies.

3. Bark Damage or Peeling

Healthy tree bark should be firm and intact. If you notice peeling, cracks, or holes in the bark, it could be a sign of disease, pest infestation, or environmental stress.

• How to check: Gently scrape the surface of the bark with a knife or fingernail. If the bark is dry, flaky, or missing, or if you see dark spots or exposed wood, this could indicate that the tree is in trouble.
• What it means: Bark that is peeling or damaged may suggest that the tree is suffering from an infection, pests (like borers), or a physical injury. This weakens the tree and can eventually lead to its decline.

4. Signs of Pests or Fungus

Pests and fungal infections can wreak havoc on trees, sometimes causing slow but steady decline. Common pests like beetles, termites, or aphids often infest trees, causing long-term damage.

• How to check: Look for holes in the bark, sawdust at the base of the tree, or webs or gooey spots on the trunk or branches. Also, check for mushrooms or other fungal growth at the base of the tree, as these are signs of rot.
• What it means: An infestation of pests or a fungal infection weakens the tree’s ability to transport water and nutrients, accelerating its decline. For example, certain types of fungal growth, like Armillaria or root rot, can lead to significant root damage.

5. Lack of New Growth

If your tree isn’t producing new growth in the spring or has a sudden lack of growth during the growing season, it could be a sign of a dying tree.

• How to check: In the spring, watch for fresh buds or leaves. If your tree has not produced new leaves or flowers, or if it has a stunted growth, this is cause for concern.
• What it means: A lack of new growth may point to problems with the tree’s root system or a nutrient deficiency. It could also indicate that the tree is struggling to get the necessary resources to survive.

6. Hollow Trunk or Soft Wood

A hollow trunk is a serious warning sign. Healthy trees are solid inside, but over time, decay, disease, or injury can create cavities in the trunk or branches.

• How to check: Gently tap the trunk or branches with a hammer. If you hear a hollow sound or notice soft spots, this could indicate internal rot or decay.
• What it means: Hollow spots in the trunk or branches are often a sign of advanced decay, usually from a fungal infection or pest infestation. A hollow tree is at a higher risk of breaking or falling, making it a serious safety concern.

7. Leaning or Unstable Structure

If your tree has suddenly started leaning in one direction, or if it looks unstable, this could indicate a problem with the root system or the tree’s structural integrity.

• How to check: Stand back and examine the overall shape of the tree. A slight lean is normal for many trees, but a pronounced lean—especially if it’s a recent development—could indicate that the tree is unstable.
• What it means: Trees can lean due to soil erosion, damage to the roots, or the failure of supporting branches. If a tree is leaning more than usual or is showing signs of instability, it could be in danger of toppling over, especially during storms or high winds.

8. Excessive Sap Dripping

Sap is a normal part of a tree’s life cycle, but excessive sap dripping from wounds or cracks in the bark could indicate a serious issue, such as disease or an insect infestation.

• How to check: Look for sticky sap around cracks or wounds in the bark or branches. If sap is dripping consistently or in large amounts, it’s worth investigating further.
• What it means: Sap leakage can result from a wound caused by disease, pests, or environmental stress. In some cases, it’s a sign that the tree is “bleeding” sap due to an infection like Canker or other fungal diseases.

9. Root Problems

While roots are underground and difficult to monitor, problems with a tree’s root system often manifest above ground. Signs such as poor growth, leaning, and premature leaf drop may all stem from root damage.

• How to check: Inspect the soil around the base of the tree for signs of damage. If the tree is leaning, or if you notice cracks or raised areas in the soil around the roots, it could be a sign of root issues.
• What it means: Damaged or decaying roots prevent the tree from taking in water and nutrients properly. Root rot, caused by fungi or poor drainage, is one of the leading causes of tree death.

10. Tree Is Not Growing Properly After a Transplant

If you’ve recently transplanted a tree and it’s not showing signs of healthy growth, it could be struggling to adapt to its new environment.

• How to check: Monitor the tree for new leaf growth, blooming, or fresh roots. If the tree is wilting or not showing any signs of recovery after transplanting, it could be stressed.
• What it means: Trees often experience transplant shock, but if the tree does not bounce back after a few months, there could be issues with the soil, root damage, or an incorrect planting location.

What to Do If You Think Your Tree Is Dying

If you’ve identified any of these signs and suspect that your tree is dying, here are some steps you can take:

1. Consult an Arborist: If you’re unsure about the health of your tree, a certified arborist can diagnose the problem and recommend the best course of action.
2. Check for Pests or Disease: Sometimes, issues like pests or fungal infections can be treated with the right chemicals or organic solutions.
3. Prune Dead Branches: If there are dead or diseased branches, prune them away to prevent the problem from spreading. Be sure to disinfect your tools to avoid spreading infection.
4. Water and Fertilize: If your tree is suffering from dehydration or nutrient deficiencies, proper watering and fertilizing can sometimes help.
5. Remove the Tree: If the tree is beyond saving or poses a danger, it may be necessary to remove it entirely. In this case, consult with a tree removal professional.

Conclusion

Recognizing the signs that a tree is dying early can make a huge difference in whether the tree can be saved or whether it needs to be removed for safety. From dead branches and leaf discoloration to root rot and excessive sap, understanding the symptoms of a dying tree can help you make the right decisions for the health of your landscape and your safety.

Concerned about your tree’s health? Schedule a TreeDox TreeScore™ Report today for expert analysis and actionable care recommendations.