Trillium Winter 2025-26

Trillium Winter 2025-26

See for yourself… the Winter 2025 issue of the OHA Trillium is here now for your enjoyment. From the first to the last, every article is extraordinary – you’ll want to get started right away.
Recruitment, Retention and Succession Planning

Recruitment, Retention and Succession Planning

On December 5, 2025, the OHA held a video session on volunteer engagement for OHA Societies and Clubs. It featured Lily Viggiano, the Manager of Intergenerational Initiatives at Volunteer Canada. We are making the video and PowerPoint resources available for those who...
Support the OHA!

Support the OHA!

This #GivingTuesday, help us in Keeping Ontario Beautiful®!  The Ontario Horticultural Association (OHA) is a volunteer charitable organization supporting gardening, education, and community green spaces across the province.  Your gift grows gardens, strengthens...