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An arborist in a tree

This commercial category is for applicators who repair damaged trees by the removal of diseased parts, filling of cavities, prevention of further decay, and strengthening branches with braces.

The horticulture professional services licenses are issued to businesses that engage in tree surgery (TS) and have a certified operator who has taken, passed, and submitted their commercial applicators license application with appropriate fees for the corresponding category(s). The cost of an annual horticulture professional services license is $175.

Exam Information

Tree Surgery Exam

  • 50 questions
  • Cost: $75

Testing for these permits can be completed at the Alabama Department of Agriculture and Industries (ADAI) in Montgomery.

There is also a computer-based testing format that is available on a weekly basis at eight testing sites across Alabama. The cost for the online exam is $125 per exam. To sign up for the online exam, visit apply.adaitesting.com. Once approved, you will receive an approval email from the Alabama Department of Agriculture and Industries.

Required Study Materials



Requirements and Forms

Alabama Extension