Welcome to ISA Ontario


Caesars Windor Hotel & Casino will be the location of ISAO's 66th Annual Educational Conference & Trade Show.

This year’s event will be held at the spectacular Caesars Windsor Hotel & Casino, February 18th to 20th, 2015.   With such a successful 2014 Conference, we know that we will be building on that success with Caesars Windsor; a resort that defines modern luxury in the midst of timeless elegance.  Click here for more details...


March 21-22 Are the Dates for the 2015 ITCC in Tampa, Florida

If you haven't already marked your calendar, take note that the 2015 International Tree Climbing Championship (ITCC) and the 2015 ISA Annual International Conference and Trade Show will be held in different seasons. The ITCC will take place March 21-22 in Tampa, Florida, and the ISA conference will be held August 8-12 in Orlando, Florida.


Jack Kimmel International Grant Program Deadline is Fast Approaching.  1 October 2014.

2014 is year 5 for this new grant program with funding available to researchers worldwide.  More information is available on the Tree Fund website  Details and grant application...


Warren Buffett
Someone's sitting in the shade today because someone planted a tree a long time ago. "Warren Buffett"

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.

News & Events

Oct 08
The Canadian Forest Service is conducting a survey on emerald ash borer, addressing questions related to management of this devastating insect pest.
Sep 30
You are cordially invited to attend the Ministry of Natural Resources and Forestry’s 38th Annual Forest Health Review to be held Tuesday, October 28, 2014 at Geneva Park near Orillia.
Sep 09
A note from the ISAO President

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