Is Your Tree Dead? 7 Signs to Look For

Dead Trees Are Dangerous Trees

A dead tree is not just an eyesore — it is a genuine safety hazard. Without a living root system holding it in the ground and living wood providing structural strength, a dead tree is essentially a tall, heavy object waiting to fall. The longer it stands, the more brittle and unstable it becomes.

The challenge is that trees do not always die all at once. They can decline gradually over months or even years, and it is not always obvious when a tree has crossed the line from struggling to dead. Here are seven signs to watch for.

1. No Leaves in Summer

The most obvious sign of a dead tree is the absence of leaves during the growing season. If every other tree on your property has leafed out and one has not, it is likely dead. Some trees, like certain oaks, hold onto their dead brown leaves through winter — which can mask the problem until spring arrives and new leaves never come.

2. Brittle, Snapping Branches

Live branches are flexible. They bend before they break. Dead branches snap cleanly like dry twigs. If you can easily snap branches off the tree — even thicker ones — the wood is dead and dried out. Try the scratch test on a few branches: scrape a small section of bark with your thumbnail. Green underneath means the branch is alive. Brown and dry means it is dead.

3. Bark Falling Off in Large Sections

When a tree dies, the bark loses its attachment to the trunk and begins to fall away in large sheets or chunks. While some healthy trees naturally shed bark (like sycamores and birches), most species retain their bark throughout their lives. If you see significant bare patches on the trunk, that section — or the entire tree — may be dead.

4. Fungal Growth on the Trunk

Mushrooms, shelf fungus, and other fungal growths on the trunk or at the base of the tree indicate that decay has set in. Fungi feed on dead or dying wood, so their presence is a clear sign that the tree is in trouble. By the time fungi are visible on the outside, the internal damage is usually extensive.

5. Major Root Damage

If the roots have been severely damaged — from construction, soil compaction, or fungal infection — the tree may die from the ground up. Signs of root problems include a sudden lean, soil heaving around the base, and a thinning canopy despite adequate water and sunlight.

6. Hollow or Soft Trunk

If you knock on the trunk and it sounds hollow, or if you press on the bark and it feels soft and spongy, the interior of the tree is decaying. A tree needs a solid ring of wood around the outside of the trunk to remain structurally sound. Once that ring is compromised, the tree is at high risk of failure.

7. Carpenter Ants or Other Wood-Boring Insects

Carpenter ants, beetles, and other wood-boring insects are attracted to dead and decaying wood. If you see these insects in or around your tree, it is a strong indicator that the wood is dead. Look for sawdust-like frass at the base of the tree, small exit holes in the bark, and visible insect activity.

What to Do If Your Tree Is Dead

If you see multiple signs from this list, it is time to call a professional. A certified arborist can confirm whether the tree is dead and recommend the safest course of action. In most cases, dead trees should be removed promptly to prevent them from falling unexpectedly.

Call Tree Climber Unlimited at (209) 660-3450 for a free assessment. We will evaluate your tree and give you an honest recommendation.