Know Your Trees.
Protect Your Home.
Practical guides on tree hazard assessment, structural warning signs, and when to call a tree care professional — written for homeowners, not experts.
Latest Guide
Cracks and Splits in a Tree Trunk: Which Ones Are Dangerous
Most warning signs a tree gives you are slow. A crack is not. It is the one sign that records a failure that has already happened, and the trick is telling it apart from the ordinary furrowed bark every mature tree has.
More Guides
Dead Branches in Your Tree: What Canopy Dieback Means and When to Worry
Every tree drops a branch now and then. But when dead limbs start clustering at the top of the canopy or spreading through the crown, the tree is telling you something — and most homeowners read it too late.
Is a Leaning Tree Dangerous? How to Tell If Your Tree Is About to Fall
A leaning tree isn't always dangerous — many trees lean for decades without issue. But the signs that separate a stable lean from an imminent failure are subtle, and most homeowners miss them.
Mushrooms at the Base of a Tree: What It Means (And When to Worry)
When fungi appear on a tree, the visible growth is just the tip of the iceberg. Here's how to tell the difference between a harmless mushroom in the grass and a sign of serious structural decay.
7 Warning Signs Your Tree Is About to Fall
Most falling trees don't fall without warning. These seven visible signs are what tree care professionals look for first — and every homeowner should know them.