NORTHAMPTON, Mass. (WWLP) – As we enter the spring growing season, it’s important to inspect your trees for hidden dangers. You can avoid deadly accidents and costly property damage if you know what to look for.

Experts urge you to look for large branches with V-shaped forks; it may signal the tree is unstable. Consider removing some of the branches. Look for cracks in the trunk.

Mushrooms growing from the base may be a sign of root decay. Some trees may also be hollow inside and people used to pour concrete inside the tree, but a Northampton tree expert told 22News that may do more harm, than good. “If you ever had to remove the tree, having concrete in it would totally increase the cost to the point where most people would not be able to afford it. So if a tree is hollow or rotted, it may be a tree that would need to be removed in the future, so you wouldn’t want to make that more complicated,” said Kevin Wedemeyer.

Experts say it’s also a good idea to keep a close eye on trees where there’s been digging or construction under the canopy. Weidermeyer told 22News trees can also be damaged after a rough winter, like the one we just had.