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

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

April 18, 2019

Trees and Construction

Kelowna, BC Canada Ramada Hotel & Conference Centre – Kelowna

April 22-23, 2019

ArborMaster L1 Precision Tree Felling, Chainsaw Safety and Handling

Asheville, NC United States Biltmore Estate

April 22-24, 2019

Tecnicas Eficientes & Seguras de Trepa

BOGOTA D.C., BOGOTA D.C. Colombia

April 23, 2019

Basic Tree Identification

Seattle, Washington United States Washington Park Arboretum – Graham Visitor’s Center

April 24-26, 2019

L1 ArborMaster Tree Climbing Methods, Work Positioning & Best Practice

Asheville, NC United States Biltmore Estate