Apr 15
ISA Ontario has just announced that our 28th Annual OTCC will be held at Pinafore Park in St. Thomas, Ontario...
Mar 28
Krista Strating & Mark Gaudet head south to ITCC
Mar 09
In memory of Colin Bashford (1940-2016), ISA President 2011-2013
Mar 01
Using Tree Bio-mechanics to Evaluate, Test & Manage Trees for Stability With FRANK RINN
Feb 26
Join the University of Massachusetts, Amherst free Webinar & earn a CEU!
Feb 10
PRE-Registration ends Friday, February 12th!
Feb 03
Changes to membership pricing to reflect a falling Canadian dollar!

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.