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The best way to protect tree roots is to avoid the roots entirely by excavating outside the root radius of the tree. For nearby projects, it’s a good idea to construct a temporary retaining wall. But that’s not always possible, depending on the project and the root system. In these cases, consider using alternative equipment like an auger to tunnel under the ground.

Remember, tree roots can damage nearby cement foundations as they grow. If a tree is close enough to interfere with large excavations, it may be better to remove the tree than risk future problems.

Trees aren't big fans of moving, and they do go into shock during a transplant. Although most carefully thought-out tree transplants see the tree recover from the shock just fine, there is always a risk of having an unsuccessful move. Proper preparation, timing, and diligent aftercare are crucial to minimize the risks when transplanting a tree.

If you’re planning on keeping the tree, unless the roots are invasive, there’s no need to remove them, as doing so can cause damage to the tree. If the tree has been cut down and the stump and roots are left, grinding and removing the stump can cause root decay for some species. For other species, the stump and roots will need to be removed to prevent pests, disease, and possible tree regrowth.

Most experts recommend removing a tree that has sustained more than 25% loss in the limbs, trunk, or circumference of the bark. Doing an initial trimming of damaged and dangling branches, but then waiting a few days of monitoring to decide how much more you might need to cut can help you better assess the total damage to the tree. However, consulting a tree maintenance pro to make this determination the best course of action before removing a tree.