Jun 12
Work for the 10th edition is still in progress. Information & forms...
May 07
Windstorm in Milton
Mar 15
If you are an arborist or own a tree or arboricultural company, you will soon be required to obtain a licence, in Oakville.
Mar 06
ISA new website is live!
Mar 06
Results from the 2017 Municipality Tree Demand Survey
Feb 07
Early release of the Annual Meeting of Members (AMM) Booklet for Members
Feb 06
We've secured a good rate at the Comfort Inn in Huntsville.

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.