ISA Ontario

Welcome to the Ontario Chapter of the International Society of Arboriculture

Our mission is to enhance and promote the care and benefit of trees for present and future generations in Ontario through education, research and awareness

Annual Conference Coming Events

Upcoming Events

Invasive species workshop
date Mar 19 2019 - Mar 19 2019

Learn about a variety of invasive species, including oak wilt, hemlock woolly adelgid, Asian longhorned-beetle and...

TRAQ Course
date Apr 02 2019 - Apr 04 2019

The Tree Risk Assessment Qualification Course is a two-day educational course followed by a half-day assessment...

Tree Risk Assessment Qualification (TRAQ) Kingston
date Apr 02 2019 - Apr 04 2019

The ISA Tree Risk Assessment Qualification (TRAQ) program provides an opportunity for professionals in the arboriculture...