Welcome to ISA Ontario


Caesars Windsor 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...

Sponsorship Package for our Annual Conference & Tradeshow is ONLINE.

Are you interested in being part of the largest arboricultural event in Ontario? SPONSOR our Annual Conference & Tradeshow. Come and be part of something fantastic!  By participating in this successful annual event, your message will reach hundreds of potential new clients, while demonstrating your support for the arboriculture industry.  Click here for our sponsorship package.

Canadian Jack Kimmel Grant Proposal Deadline -

1 December 2014.

Full details on the program including past recipients and their research results can be found on the Canadian TREE Fund site...

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

Nov 06
Nominations are being accepted...
Nov 06
ISA International is seeking presentation proposals
Oct 20
The 2014 NATCC & OTCC Women's Champion tells it, like it is, to Chatelaine for their September issue...
Oct 20
Mark Chisholm talks about safe storm clean-up and how to hire a professional arborist

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