Our Magazine

The Ontario Arborist is the award-winning bi-monthly magazine of the Ontario Chapter of the International Society of Arboriculture (ISAO), a non-profit organization dedicated to research and education on proper tree care in Ontario. The Ontario Arborist keeps professionals updated on ISAO programs and activities, industry information, leading research and local events. The magazine has a regular distribution to more than 800 members and an expanded distribution through email with the digital version. Issues are published in December/January, February/March, April/May, June/July, August/September, and October/November.

Recent issues: April/May 2016, December/January 2015 and February/March 2015:
Develop Your Nesting Instinct
Tree Recovery from Ice Storm Injury
Air Layering in Older Sugar Maples
Pollination & Reproducation in Sugar Maples

Go to the Arborist Article Bank to view past Species Focus, Pests, Disease & Plant Health Care, What's Bugging Your Trees, Business Sense, Urban, Rural & International Tree Stories, Climate Change & Arboriculture, and other articles published previously in the magazine.

Ontario Arborist 2016 Advertising Rates...
Sample Copy:   October/November 2015

Feedback & Articles: We welcome your comments on magazine content and any issue of relevance to the arboriculture community. Please feel free to submit a letter to the editor or story idea to info@isaontario.com Attn: Publication Co-ordinator. 

Photographs: We are always on the look-out for high quality photographs, especially from the job site (but please ensure proper protective equipment is being worn). Send us whatever you have to keep on file. We provide photo credits and pay per use if necessary.

Editor & Publisher: Please direct all letters to the editor, article ideas and photographs to info@isaontario.com Attn: Publication Co-ordinator. 

E-Magazine Option: Save trees! Members have the option to receive the Ontario Arborist electronically in Adobe Acrobat (pdf) format. Simply send a request to ISAO.

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.