Arborist and Tree Surgeon Job Descriptions

by Denise Brown

While the jobs of arborist and tree surgeon have many similarities, there are also some distinctions. Just as a medical surgeon is a trained doctor, a tree surgeon has special training in the removal of tree limbs to help preserve a tree. An arborist’s job is more generalized as he cares for the health of the entire tree, much like that of a family doctor.


While it’s possible to become a tree surgeon without any formal training, both jobs require knowledge of trees and how to care for them. Arborists often pursue a bachelor’s degree in biology, horticulture or botany. Some colleges offer majors in arboriculture that offer training specific for the job. Students majoring in biology or botany should take courses in tree anatomy, physiology and health. Some arborists pursue advanced degrees and work in research or serve as expert witnesses in legal matters regarding trees.


The specific duties of the arborist or tree surgeon depend on the his type of employment. Common duties include pruning trees, fertilizing them and planting new ones. If trees are damaged, tree surgeons remove the dead wood in a manner that doesn’t harm the rest of the tree. They also create braces, as necessary, to help trees remain structurally sound. Arborists are responsible for treating trees for damage caused by poor environmental conditions, insects or fungus. Some arborists and tree surgeons work with construction companies to preserve existing trees on construction sites.

Career Types

Some arborists choose to work in commercial arboriculture. As private contractors, these arborists perform the traditional jobs of their profession. Arborists seeking a career in urban forestry or municipal arboriculture perform many of the same tasks as their counterparts who work in a commercial setting; however, their primary duty is to protect and preserve the trees on public lands. Since urban trees often have a much shorter life span than trees growing in an open forest, the municipal arborist helps maintain the health of trees faced with urban pollution and soil compaction. Arborists who seek employment in utility arboriculture work with utility companies to trim back trees near power lines.

Skills and Physical Demands

Arborists and tree surgeons need to have a good understanding of mathematics and physics so they can bring tree limbs safely to the ground using a variety of basic machines. Communications skills are necessary so they can clearly give instructions to their assistants as they work. Working as an arborist or tree surgeon requires the physical strength to perform the job. In particular, they need good upper-body strength to operate the heavy equipment and saws used for their jobs. Often the arborist or tree surgeon works within the framework of the tree from the bucket of a lift truck.


Many employers require certification of their arborists by the International Society of Arboriculture. Certification often allows the arborist to make more money at his job and gives him an advantage when bidding on a contract. To become certified, an individual must have three years of experience working with arboriculture. He then must pass an exam. Once certified, the arborist must continue to take courses to maintain his certification.

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