The Trillium is published 4 times per year:
March 1 – Spring issue
June 1 – Summer Issue
September 1 – Autumn Issue
December 1 – Winter Issue

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 or
by mail/courier to:

The OHA Trillium Editor,
c/o Laura Masterson

2986 Wessel Drive, R.R. #1,
St. Catharines, ON
L2R 6P7