Become An ISA Certified Arborist
Take your tree care career to the next level by becoming an ISA Certified Arborist. Let your customers know that you possess the high degree of knowledge that it takes to become certified by the International Society of Arboriculture.
Tuesdays · 6:00 – 8:30 PM
Dates: Sep 15, 22, 29 · Oct 6, 13, 20, 27 · Nov 3, 2026
Arborist Certification Study Guide, Fourth Edition is the program material covered in this course
- Week 1: Tree Biology, Tree Identification
- Week 2: Soil Science, Pruning
- Week 3: Water Management, Tree Selection
- Week 4: Installation and Establishment, Tree Nutrition and Fertilizer
- Week 5: Tree Support and Lightning Protection, Urban Forestry
- Week 6: Diagnosis of Plant Disorders, Plant Healthcare
- Week 7: Tree Assessment and Risk Management, Trees and Construction
- Week 8: Tree Worker Safety, Climbing and Working in Trees
Week 9: Take the Arborist Certification Exam
You must apply and register separately with the ISA to take the exam. See our Exam Information page for details, or read the ISA’s common questions about certification.
Course Overview
Frequently Asked Question
General Questions
The exam can be difficult, but not impossible. By attending this course, you will be more than prepared to pass the exam.