Welcome to ISA Ontario

Jobs. Jobs. And More Jobs.

'Tis the season for hiring employees in the arboricultural industry and we seem to be loading job ads on a daily basis. Visit the job bank frequently to keep tabs on new postings. Also keep an eye on your mailbox near the end of the month for the next issue of the award-winning Ontario Arborist. It'll be full of conference coverage and popular columns from Jen Llewellyn and our latest debut, In the Field by Matt Logan.

FIND AN ARBORIST LINK. Over the next few weeks, our Find an Arborist section will be de-commissioned as we have decided to direct people to the certified arborist database on the international site. This decreases our administration time and removes unnecessary duplication.

IT'S MEMBERSHIP RENEWAL TIME! Send in your renewal slip today to ensure you won't miss out on great member benefits like the award-winning Ontario Arborist magazine, reduced pricing on job ads, workshops and bookstore products and having your name on our "Find an Arborist" listing.

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

May 04
Recently the Ontario Urban Forest Council (OUFC), recognizing the importance of the destructive environmental and economic impact of the Emerald Ash Borer, sent a "Call to Action" to 440 Ontario municipalities.
May 04
Always remember that when kids are near, all machinery must be turned off – and there can be no exceptions.
Mar 21
Trees Ontario highlights the direct links between the natural environment – especially trees and forests – and human health...
Mar 21
The Biotron Experimental Climate Change Research Centre is a unique, purpose-built facility at Western University in London...