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.
Events
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Houseplant Swap!
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaCome early to our November Speaker Series meeting (with Barbara Brown) for a fun and friendly indoor plant exchange from 7:00–7:30 pm. -
Designing With Nature, for Outdoor & Indoor Enjoyment
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaIn-person presentation by Emma Terrell, Owner of the Urban Botanist -
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AGM & A Winter’s Tale Holiday Social 2026
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaMembers, please join us for our annual AGM and holiday social, A Winter’s Tale -
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Beyond Pretty: Gardens That Matter
On-Line PresentationDiscover with Cathy Kavassalis, how thoughtful gardening can transform any space into a resilient, abundant ecosystem that gives back, supports wildlife, and deepens your connection to the natural world. -
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Edibles in the Urban Landscape
On-Line PresentationLearn with Stephen Biggs how to grow fruit, vegetables, herbs, and edible flowers beautifully and productively, even in the smallest outdoor spaces. -
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Fruits and Berries for Urban Gardeners
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaLet Mary Reid help you discover fruit trees and berry bushes suited to Ottawa, plus practical planting tips and simple ways to increase your harvest in limited spaces. -
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Discovering Biodiversity with iNaturalist
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaExplore with Lynne Patenaude how iNaturalist builds nature awareness, strengthens conservation, and helps you document species in gardens, parks, and neighbourhood green spaces. -
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Creating Pots of Joy
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaJoin Cindy Cluett for a creative summer planter demonstration featuring hummingbird, tropical, and shade‑loving designs perfect for any garden. -
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Nocturnal Neighbours: Gardening for Bats
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaJoin Nicole Nolan to explore the secret lives of Ottawa’s bats and learn simple ways gardeners can support these essential nighttime species. -
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Fabulous Fall Florals
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaJoin presenter Catherine Disley for Fabulous Fall Florals, a creative demonstration featuring easy ways to refresh your front porch and elevate your home’s seasonal curb appeal. -
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Sowing the Future: When Food Becomes Connection
St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, CanadaSowing the Future explores how reconnecting with the land can deepen our connection to food, community, and culture. Led by artist Barbara Brown, the project uses shared stories, creative practice, and hands in the soil to celebrate women farmers and the diverse, regenerative practices shaping our region.
2026 Events and Speaker Series
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.