Showing the world the benefits of trees

We promote the professional practice of arboriculture to foster a greater awareness of the benefits of trees.

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Keep up with ISA

2020 Awards of Distinction and True Professionals

Nominations will be available soon, learn more about the awards.

2020 ISA Conference Call for Presentations

The International Society of Arboriculture will be accepting presentation submissions for the 2020 ISA Annual International Conference & Trade Show in the coming weeks. Check back for further details.

ISA Expands Certification Eligibility Requirements

ISA has announced expanded eligibility criteria for the ISA Certified Arborist® certification recognizing assessment-based programs to fulfill the education requirements to take the exam.

Upcoming Events

November 15, 2019

Ground Skills & Aerial Support

Jacksonville, FL United States Vermeer Southeast - Jacksonville

November 15-16, 2019

New Zealand (NZ Arb) Husqvarna National Tree Climbing Championship

Napier, Hawke's Bay New Zealand Anderson Park

November 18, 2019

Diseases and Pests of Trees

Bordentown, New Jersey United States Rutgers Eco Complex

November 20, 2019

Hazardous Tree Identification

New Brunswick, New Jersey United States Extension Conference Center

November 21, 2019

Aerial Rescue Techniques & Applications (Hands-on)

Clearwater, FL United States Vermeer Southeast - Clearwater