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Earth Day Celebration – Update!

Here is the information for joining the online Earth Day celebration

The OHA Trillium, Spring 2024

Spring 2024 edition of the OHA Trillium is now available!

Earth Day Celebration

April 19, 2024
7:00 – 9:00 pm Via WebEx

50/50 Draw Winner Announced!

The winner of the 50/50 draw has won $2,955

50/50 Draw Early Bird Winner

The winner of the Early Bird prize for the 50/50 draw has been announced!

New Edition of Showtime

The newest edition of Showtime, the newsletter for OHA judges, is now available.

Winter 2023-24 Trillium Available now!

You won’t believe how many wonderful articles the winter 2023-24 issue of the OHA Trillium has.

OHA 50/50 Draw

The next 50/50 draw starts with an Early Bird prize. Don’t miss out!

OMAFRA Annual Return Webinar and Information Guide

Horticultural Societies TPON Application Annual Report Submission Guidelines

December 2023 50/50 draw

The 50/50 Draw winner has been selected!

Welcome

For more than 100 years, the OHA has supported gardening in Ontario with programs on gardening education, community events, and shows. GardenOntario is here to help you get growing and get involved!

Whether you are a new gardener looking for support or an experienced one who is willing to share what you know, there is a place for you at GardenOntario.

Visit our Garden Shop to get all the latest supplies. From pins to note cards, we have what you need… Also, order our bright and cheery logo on t-shirts, banners, and a variety of marketing materials online at our custom printables shop!

The Trillium is a newsletter produced quarterly for $25 per year subscription fee.

Subscribe today and the next issue will be sent directly to your inbox.

Volunteering and Fundraising

Many rewarding opportunities!
Get Involved