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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

Events Search and Views Navigation

Event Views Navigation

Today

  • Drama in the Butterfly Garden

    St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, Canada
    In-person presentation by Carol Pasternak, MBA, LLB, is an author, photographer, and sought-after motivational nature speaker

  • AGM & A Winter’s Tale Holiday Social 2026

    St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, Canada
    Members, please join us for our annual AGM and holiday social, A Winter’s Tale

  • Beyond Pretty: Gardens That Matter

    Virtual or On-line Ottawa, Ontario, Canada
    Discover Cathy Kavassalis to see how thoughtful gardening transforms any space into a resilient, abundant ecosystem that gives back, supports wildlife, and deepens your connection to the natural world.

  • Edibles in the Urban Landscape

    Virtual or On-line Ottawa, Ontario, Canada
    Learn with Stephen Biggs how to grow fruit, vegetables, herbs, and edible flowers beautifully and productively, even in the smallest outdoor spaces.

  • Fruits and Berries for Urban Gardeners

    Virtual or On-line Ottawa, Ontario, Canada
    Let 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.

  • Discovering Biodiversity with iNaturalist

    St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, Canada
    Explore with Lynne Patenaude how iNaturalist builds nature awareness, strengthens conservation, and helps you document species in gardens, parks, and neighbourhood green spaces.

  • Creating Pots of Joy

    St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, Canada
    Join Cindy Cluett for a creative summer planter demonstration featuring hummingbird, tropical, and shade‑loving designs perfect for any garden.

  • Nocturnal Neighbours: Gardening for Bats

    St Mark’s Anglican Church 1606 Fisher Ave, Ottawa, Ontario, Canada
    Join Nicole Nolan to explore the secret lives of Ottawa’s bats and learn simple ways gardeners can support these essential nighttime species.

2026 Events and Speaker Series

Speaker Series 2026

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.

Join today

Explore Gardening Events: Ottawa & Surrounding Communities

Find more Gardening Events in Ottawa

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.