If I cut a root, will the tree die? ... Removing large tree roots can make the tree unstable or unhealthy later on. If large roots are removed, the tree may not be able to get enough nutrients and water. Also, don't remove roots close or fused to the trunk since these are critical to the tree's structure.

Is it OK to cut surface tree roots?

If necessary, surface roots can be removed, but it must be done properly or it could harm the tree. During the dormant season, remove only one large root or two smaller ones per year. Allow at least 10 inches of distance from the trunk for every inch of the diameter at ground level before making the cut.

Can tree roots be cut without damaging tree?

Root cutting and removal can indeed be accomplished without crippling or killing your tree. ... Trunk Proximity – The closer to the trunk that roots are cut, the more significant and severe the damage will be to your tree. 25% Rule – Never remove more than 25% of a tree's roots. The tree will likely die or fall, or both.