What Is a Certified Arborist?
Heads up: this is an independent, unofficial information guide — not the Association’s official website. Details (membership, events, directory, contacts) change and may be out of date or incomplete here. Always confirm current information with the St. Louis Arborist Association directly.
An arborist is a tree-care professional trained in the art and science of planting, assessing, and maintaining the health and safety of trees. Certification offers a measurable way to gauge a professional’s knowledge and competence in proper tree care.
Why certification matters
- It signals verified knowledge of proper tree care
- It reflects a commitment to ongoing education
- It is tied to professional codes of ethics
What arborists do
- Plant and establish trees correctly
- Assess tree health, structure, and risk
- Prune and maintain trees safely
- Diagnose pests, diseases, and other problems
For the specifics of any individual’s credentials, always verify directly with the professional and the certifying body.