Showing the world the benefits of trees

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

Read More

Order Delays Due to Physical Inventory

Due to ISA’s annual physical inventory, orders placed between 2 p.m. EDT, Thursday, 20 June 2019, and 11:59 p.m. EDT, Friday, 28 June 2019, will not ship until the week of 1 July 2019.

Please plan your ordering accordingly. We will resume regular turnaround times 1 July 2019.

Thank you for your patience.

Questions? Please call the customer service team at (678) 367-0981.

Keep up with ISA

ISA Accepting Nominations for 2019 Awards of Distinction and True Professionals

Nominate the best professionals in the arboriculture industry by 4 March 2019. Submit your nomination!

2019 ISA Conference Call for Presentations

The International Society of Arboriculture is now accepting presentation submissions for the 2019 ISA Annual International Conference & Trade Show. Submit your presentation before the 1 March 2019 deadline.

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

June 21-23, 2019

2019 European Tree Climbing Championship

Putbus (Rügen), Germany Schlosspark Putbus

June 21, 2019

Storm-Damaged Tree Cleanup Training

Charleston, SC United States USDA/CREC Office

June 23-28, 2019

ACTE - Chainsaw Train the Trainer 5-day

Elmhirst's Resort, Keene, Ontario Canada

June 25, 2019

Storm-Damaged Tree Cleanup Training

Monroe, NC United States NC State Extension Union County Center

June 28-30, 2019

Taiwan International Tree Climbing Championship

Taipei, Taiwan Taiwan Taipei Park