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

Trunk Formula Technique Tree Appraisal: 10th Edition Update
date Apr 29 2019 - Apr 29 2019

Focusing on the CTLA Trunk Formula Technique (TFT), this workshop gives an overview of the appraisal...

TRAQ Whitby
date Sep 24 2019 - Sep 26 2019

Event date: Tuesday Sept. 24 to Thursday Sept. 26, 2019 Location: Centennial Building Regal Room 416...

TRAQ London
date Dec 03 2019 - Dec 05 2019

Event date: Tuesday Dec. 3 to Thursday Dec. 5, 2019 Location: Stronach Recreation Centre 1221 Sandford...