Hiring an arborist for tree pruning has numerous benefits. Firstly, arborists are trained professionals with specialized knowledge in tree care. They understand the different tree species and their growth habits, which allows them to prune trees in a way that promotes healthy growth and improves the tree's overall appearance. 

Secondly, arborists have the necessary equipment to perform pruning safely and efficiently. They have the knowledge to safely climb trees, work from a bucket truck, or use other specialized equipment to access the tree canopy. They also know how to properly use pruning tools, such as pruning shears and saws, to make clean cuts that minimize damage to the tree.

Thirdly, pruning can be dangerous work, especially for larger trees or those with significant damage. Arborists have training in safety procedures and are equipped with personal protective gear, which reduces the risk of accidents or injury.

Finally, arborists can provide valuable advice on the best pruning techniques and timing to improve the health and aesthetics of your trees. They can assess the tree's overall health, identify any potential risks or hazards, and make recommendations on the best course of action.