Stay Updated with the Latest OHA News
AGM Registration is now open!
Registration for the OHA's 2025 Annual General meeting is now open....
GardenOntario Scholarship
The Ontario Horticultural Association is committed to assisting its...
July 50/50 Draw
Our next 50/50 Draw takes place on July 19th!! Purchase your tickets by...
GardenOntario Earth Day Celebration
Earth Day Celebration This is a reminder of our GardenOntario Earth Day...
Trillium Spring 2025
The Spring edition of Trillium is now available! Lots of great...
Announcing the latest 50/50 draw winner
The OHA is pleased to announce that the winner of the latest 50/50 Raffle...
The Trillium News
Enjoy past editions of our newsletter.
Search the Trillium newsletter archives and click to download. For a specific edition of the Trillium not listed, please contact the Editor
2025 Archive of The Trillium Newsletter
2024 Archive of The Trillium Newsletter
2023 Archive of The Trillium Newsletter
2022 Archive of The Trillium Newsletter
2021 Archive of The Trillium Newsletter
2020 Archive of The Trillium Newsletter
2019 Archive of The Trillium Newsletter
2018 Archive of The Trillium Newsletter
2017 Archive of The Trillium Newsletter
2016 Archive of The Trillium Newsletter
2015 Archive of The Trillium Newsletter
2014 Archive of The Trillium Newsletter
2013 Archive of The Trillium Newsletter
2012 Archive of The Trillium Newsletter
2011 Archive of The Trillium Newsletter
2010 Archive of The Trillium Newsletter
2009 Archive of The Trillium Newsletter
2008 Archive of The Trillium Newsletter
2007 Archive of The Trillium Newsletter
2006 Archive of The Trillium Newsletter
Trillium Deadline Dates and Submissions
The Trillium is published 4 times per year:
March 1 – Spring issue
June 1 – Summer Issue
September 1 – Autumn Issue
December 1 – Winter Issue
Submission Guidelines:
Articles for the Trillium should be sent in the following formats: for Windows – Word or plain text; and for Mac/OSX – please use Pages. Photos and other graphics should be sent as separate files (min res 1,000 x 800 pixels) and not as part of a Word file. Full-sized original files are happily accepted.
Email your articles to editor@gardenontario.org
Reports & Statements
We provide annual reports that you can review. These reports showcase the work of the OHA and the many projects we support across Ontario.
