At this time, events are being scheduled but may change without much notice depending on current covid-19 restrictions. Please check with the organizer for any you are interested in to get the most uptodate information.

Snowflake Social & Annual General Meeting

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

Plan to enjoy a little holiday magic in early December at the OHS Snowflake Social & AGM! * potluck appetizers and desserts * meet and mingle with OHS members * annual report * photography competition results * volunteer recognition & awards * meet the 2023-24 Board of Directors For full details please see: https://ottawahort.org/event/2023-snowflake-social/

Honing Your B.S. (Bad Science) Detector, with Dr. Linda Chalker-Scott

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

Popcorn night with a Garden Guru, plus an indoor-plant swap and a visit from the Ottawa Wildflower Seed Library group! In-person at St Mark’s Church, 1606 Fisher Ave, and online (*For those tuning in online, please note that Linda Chalker-Scott's talk will begin at 8:00 p.m., to give those on-site time to have coffee, do […]

Lorraine Johnson: Tending the Earth: Gardening for the Future

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

The OHS is very excited to announce a presentation by well-known Toronto-based author and community activist, Lorraine Johnson, here in Ottawa on Tuesday, October 24th. Tickets are mandatory for all attendees (see below). In "Tending the Earth: Gardening for the Future" Lorraine will be exploring gardening as an act of stewardship and earth-tending, drawing connections […]

Free – $15

Herbal Teas and Food Security, with Kayoki Post-Whiteduck

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

Our guest speaker, Kayoki Post-Whiteduck, will first speak about herbal teas, how he got into herbal teas, the herbs he works with, traditional Algonquin teas and how to make herbal teas. The second part of the presentation will be about food insecurity and the Ajashki Food Security and Climate Change Learning Center, which he leads. […]

Ikebana for Gardeners

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

Claire McCaughey will demonstrate how to make Ikebana flower arrangements incorporating materials from the garden and the florist. Claire will talk about the defining characteristics of Ikebana vs Western flower arranging as well as the growing popularity of Ikebana world-wide. Claire McCaughey began taking Ikebana lessons in 2007 after a chance encounter in a Japanese […]

OHS Plant Auction & Sale – Live!

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

The OHS Plant Auction & Sale is back - live, in-person! Auction starts at 7:30 pm but come early to register and get a bidding paddle. Auction runs until 8:15 pm, when the plant sale tables open until 9:00 pm. Come get some great plants from OHS members' gardens!

Ottawa’s Urban Forest, with Owen Clarkin

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

Sharing his knowledge about specific trees, Owen Clarkin will provide information about tree ownership and care, and the value of trees to homeowners, the community and the city. Owen is the Conservation Chair at the Ottawa Field Naturalists' Club. This will be an in-person presentation at St. Mark's Anglican Church, 1606 Fisher Ave., parking at […]

True Canadian – Capital Floral Experience, with Tina Liu

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

The OHS’s own Tina Liu happens to also be the National Capital Commission’s in-house landscape architect. The annual design of the NCC’s Capital Floral Program uses 250k annual plants of over 200 varieties every year. Tina will talk about the process of plant selection, and how new hybrids are introduced and incorporated into the design. […]

Endangered Native Medicinal Plants

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

Come join Penelope Beaudrow as she shares her heart’s work with us! As the recipient of the 2021 United Plant Savers Conservation award, she will bring her unique perspective as a Registered Herbalist and Land Steward of Kina Gegoo Botanical Sanctuary to this talk. A significant part of her work, which she will share, is […]

Growing Grit: Designing Beautiful, Biodiverse and Resilient Gravel Gardens

St Mark's Anglican Church, Ottawa 1606 Fisher Ave, Ottawa

Ben O'Brien will share different approaches for creating resilient perennial plantings in urban public spaces. European techniques such as growing plants in deep mineral mulches or in artificial substrates both reduce soil fertility, which accommodates much more diverse plant communities, and reduces the potential for weed invasion. If you struggle with soil fertility or inner-city […]