What’s Growing On at OHS
Events
Our events go beyond the garden gate. From workshops and speaker nights to community outreach, volunteering, and our annual photography competition, the Ottawa Horticultural Society offers something for everyone. Whether you’re here to learn, share, or lend a hand, we welcome you to grow with us.

2025-26 Events Calendar
9 events found.
AGM & Holly Jolly Social
St Mark’s Anglican Church
1606 Fisher Ave, Ottawa, Ontario, Canada
Combating Invasive Plants: Tackling the Phragmites in Ontario
On-Line Presentation
Organic Gardening for the Home Gardener
On-Line Presentation
Food For Life: How Some Organizations in Ottawa Are Addressing The Food Insecurity Gap
St Mark’s Anglican Church
1606 Fisher Ave, Ottawa, Ontario, Canada
A Team Approach to Protecting Canada’s Biosecurity: How a Detector Dog and His Handler Work Together on This Important Issue
St Mark’s Anglican Church
1606 Fisher Ave, Ottawa, Ontario, Canada
Culinary Delights With Herbs & Edible Flowers
St Mark’s Anglican Church
1606 Fisher Ave, Ottawa, Ontario, Canada
Interesting Perspectives & Wisdom From The Master Gardeners of Ottawa-Carleton (MGOC)
St Mark’s Anglican Church
1606 Fisher Ave, Ottawa, Ontario, Canada
Drama in the Butterfly Garden
St Mark’s Anglican Church
1606 Fisher Ave, Ottawa, Ontario, Canada
Designing With Nature, for Outdoor & Indoor Enjoyment
St Mark’s Anglican Church
1606 Fisher Ave, Ottawa, Ontario, Canada
How To Attend An Event
If You’re An OHS Member
Check out our website or stay up-to-date with our OHS internal newsletter for regular updates. Events include program meetings with well known, trusted horticultural speakers that are both in-person and online. If attending in-person, you’ll have the opportunity to meet fellow OHS members, swap seeds and plants and become part of our gardening community. We also organize summer pop-up tours, plant sales and contribute to community planting projects.
Not An OHS member Yet?
Ottawa Horticultural Society speaker series are open to the public. You can attend at no cost. Please come join us!
Nonetheless, we invite you to join the Ottawa Horticultural Society to unlock access to special member events, newsletters and resources.
Explore Gardening Events: Ottawa & Surrounding Communities

Produced by our experienced gardening colleagues this calendar is your go-to hub for horticultural events in and around Ottawa and beyond.
It features a wide range of upcoming activities including garden tours, workshops, talks, community gatherings, and seasonal celebrations.
Drawing from a diverse network of horticultural societies, garden clubs, and botanical organizations, it brings together events that inspire, educate, and connect gardening enthusiasts across the region.
