Most tree failures aren't sudden — they're the end of a slow process that usually leaves visible clues for weeks or months beforehand. Knowing what to look for is the difference between scheduling a trim on your own timeline and dealing with a tree through your roof after the next storm.
1 Leaning That's New or Getting Worse
A tree that has always grown at an angle isn't automatically a risk. A tree that starts leaning, or leans further than it used to — especially after heavy rain when soil is saturated — is a different story. Sudden leaning often points to root failure.
2 Cracks or Splits in the Trunk
Vertical cracks, especially ones that run deep or appear to widen, weaken the trunk's structural integrity. A split trunk is one of the more urgent signs on this list.
3 Fungus or Mushrooms at the Base
Mushrooms or shelf-like fungus growing at the base or on the roots often indicate internal decay you can't see from the outside. By the time fungus is visible, the wood underneath may already be significantly compromised.
4 Dead or Missing Bark Patches
Bark that's peeling away in large sections, or areas with no bark at all, expose the tree to pests and decay and can signal the tree is already dying from the inside out.
5 Hollow Sounds When Tapped
A trunk that sounds hollow when tapped — instead of solid — often means significant internal rot, even if the outside looks fine. This is one of the harder signs to catch without experience, which is why a professional assessment matters.
6 Exposed or Heaving Roots
Roots lifting out of the soil, especially on one side of the tree, are frequently the first visible sign the tree is losing its anchor to the ground — a leading indicator of a future fall.
7 Large Dead Branches Overhead
Dead limbs in the upper canopy ("widowmakers") don't need a storm to fall — they can drop in calm weather as the wood dries and weakens. If they're hanging over a walkway, driveway, or roofline, they're a priority.
When in doubt, don't wait for a storm to test it. If a tree is leaning toward your house, garage, or a spot where people regularly walk or park, treat it as urgent regardless of which sign triggered the concern.
What to Do If You Spot Any of These Signs
A free on-site assessment is the fastest way to know whether a tree needs monitoring, trimming, or full removal. If the tree is inside Atlanta city limits and qualifies for protection, removal may also require a permit — worth checking before you schedule anything.
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