What Does a Arborist Do?
Arborists are tree care specialists who plant, maintain, diagnose, and remove trees and woody plants. They assess tree health, perform pruning operations, and advise property owners on proper tree management to ensure safety and preserve urban canopy. This physically demanding profession requires knowledge of tree biology, climbing techniques, and safety protocols.
Arborist Duties and Responsibilities
The primary responsibilities of a arborist include:
- Assess tree health by inspecting for disease, pest damage, structural defects, and decay.
- Prune trees using proper arboricultural techniques to promote health, safety, and structural integrity.
- Remove hazardous or dead trees using climbing, rigging, and aerial lift equipment.
- Plant trees and advise clients on species selection, placement, and establishment care.
- Diagnose tree diseases and insect infestations and recommend appropriate treatments.
- Operate chainsaws, chippers, stump grinders, and other arboricultural equipment safely.
- Apply fertilizers, pesticides, and growth regulators to maintain tree health.
- Prepare written reports and proposals for tree care, removal, and planting projects.
- Climb trees using ropes, harnesses, and spurs to access work areas in the canopy.
- Ensure all work complies with ANSI Z133 safety standards and local tree protection ordinances.
Required Skills and Qualifications
To succeed as a arborist, you will need the following skills and qualifications:
- Tree biology and identification
- Pruning techniques and arboricultural standards
- Tree climbing and aerial rescue
- Chainsaw operation and rigging
- Disease and pest diagnosis
- Safety compliance and risk management
- Physical fitness and comfort with heights
- Customer consultation and communication
Education and Training
Arborists benefit from formal education in arboriculture, forestry, horticulture, or a related natural science at the associate or bachelor's level, though many enter the field through apprenticeships and hands-on training. The International Society of Arboriculture (ISA) Certified Arborist credential is the profession's premier certification, requiring a combination of education and experience plus passing a comprehensive exam. Additional ISA credentials in tree risk assessment, utility specialist, and municipal specialist are available. Tree Worker/Climber Specialist certification from the Tree Care Industry Association (TCIA) validates climbing competence. Continuing education is required to maintain certifications.
Salary and Job Outlook
Average Salary: $35,000 - $65,000 per year
Arboriculture is a growing profession driven by the increasing recognition of the environmental, economic, and health benefits of urban trees. Municipalities are expanding urban forestry programs, and property owners are investing more in professional tree care. Storm damage cleanup, utility line clearance, and tree risk management create consistent demand for skilled climbers and tree care professionals. The industry faces a shortage of qualified arborists, which supports strong job security and upward wage pressure. Certified arborists with strong climbing skills and diagnostic expertise are especially sought after.