News

Feb 01
The CTLA has released the draft Manuscript of the 10th edition for informal peer review.
Jan 16
Looking for free internet in your hotel room for the ISA Ontario Conference & Tradeshow?
Jan 04
Save 10% on your full conference package if you book by 13th January.
Nov 30
ISA Ontario and IHSA are excited to announce that we have signed an Agreement to save our members money! This goes a long way towards making our industry safer.
Nov 14
ISA announces Executive Director Jim Skiera is retiring at the end of 2017.
Nov 02
Attendee registration is now open for our 68th Annual Conference & Trade Show.
Sep 20
Check out our 2016 OTCC Photos on Facebook

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.