Stay Updated with the Latest OHA News
Gardens of Red
Hello Members of the OHA, Please post pictures of your gardens of red on...
Garden Hero Nominations
Garden Hero nominations have been extended! Please let Katharine Smyth ...
Fun in the Sun Art Contest
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The Summer Issue of Trillium is here!
Available now, the summer issue of the OHA Trillium newsletter encourages...
The Ontario Horticultural Association receives acknowledgement from the Canadian Garden Council
Congratulations for being one of the 100 Garden Moments we announced...
OHA Garden Ontario 50/50 Fundraiser
The OHA (Garden Ontario) is excited to announce our quarterly 50/50...
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
2022 Archive of The Trillium Newsletter
2020 Archive of The Trillium Newsletter
2017 Archive of The Trillium Newsletter
2015 Archive of The Trillium Newsletter
2013 Archive of The Trillium Newsletter
2011 Archive of The Trillium Newsletter
2009 Archive of The Trillium Newsletter
2007 Archive of The Trillium Newsletter
2021 Archive of The Trillium Newsletter
2019 Archive of The Trillium Newsletter
2018 Archive of The Trillium Newsletter
2016 Archive of The Trillium Newsletter
2014 Archive of The Trillium Newsletter
2012 Archive of The Trillium Newsletter
2010 Archive of The Trillium Newsletter
2008 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 IssueSubscription Information:
New now in Colour … Starting with the Spring 2022 Edition the hardcopy of the Trillium will be in colour.
Subscriptions fees are now $25 per year to cover all costs.
You can pay for your subscription by e-transfer of $25 to treasurer4oha@gmail.com
When paying by e-transfer you also must email ohatrillium@gmail.com with your name and address for the subscription and confirm you have paid by e-transfer. Important: We need your mailing address so you can get the Trillium sent to you.
You can also make your payment by cheque payable to the: Ontario Horticultural Association and mail to the Trillium Distributor, Lisa DeYoung, 715 Chantler Road, Fenwick, ON, L0S 1C0
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.


