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top seed companies in canada

At OSC Seeds, our mission is to supply our customers with the highest quality seed available at competitive pricing. All our vegetable seeds surpass CFIA standards for germination and purity in Canada. We also offer a range of Organic seed products that are certified by the Centre for Systems Integration (CSI).

OSC Seeds is the largest wholly Canadian-owned and operated packet seed company, offering a full line of products including over 30 herbs, 250 vegetables, 240 annuals, and 100 perennials and biennials suitable for Canada’s various climates.

Our fifth-generation family business has over 125 years of growing history and is proud to be wholly Canadian-owned and operated. From our central facility in Kitchener, Ontario, we can ship from coast to coast across Canada.

Over 125 Years of History

We match our superior product offering with knowledgeable and experienced staff, helpful customer service, and on-time deliveries across the country. We guarantee the purity and vitality of our seeds to the full amount of the purchase price.

Also, in case it is important to you, do not assume because they are listed here that their products are Canadian-grown. Check with the sources to get your questions answered.

Looking for Canadian garden seed and plant sources online?

Listings are alphabetical by province and company.

Nova Scotia

This directory features Canadian seed sellers and online nurseries for seeds, plants, and bulbs. The listings are sorted by province so you can find sources in your region.

While I would like to list everything these individuals and companies sell, it is nearly impossible to keep on top of the changes, so please go directly to their sites for info.

While this started primarily as a seed company directory, there are also sources listed that sell plants and bulbs.

Personally, I want seeds, plants, and bulbs that do well in my zone, are not invasive, and benefit local wildlife.

Heritage Harvest Seed is a Canadian seed company that specializes in rare heirloom seeds. They stock 800+ varieties of unusual and endangered plant seeds that include vegetables, flowers, herbs, and ancient grains.

West Coast Seeds is a major Canadian seed company specializing in a wide variety of seeds for home gardeners. They offer over 1000 types of seeds – everything from vegetables, herbs, flowers, ornamental grass, and even some fruit seeds, as well as live plant stock such as seed potatoes and dahlia tubers.

Stokes Seeds is located in Thorold, Ontario (just west of Niagra Falls) and is operated by the Gale family. Stokes Seeds does not list any GMO varieties in their seed catalog or on their website.

Lindenberg Seeds

Emma Biggs is a young gardening speaker and author who offers specialty tomato seeds for sale on her website. She offers many rare and unusual gourmet varieties, much to the delight of heirloom tomato enthusiasts! She sells many of the best-tasting tomato variety seeds. Emma ships her tomato seeds from Ontario.

Prairie Garden Seeds is located in Humboldt, Saskatchewan (east of Saskatoon), and is operated by Rachelle Ternier, along with her father Jim Ternier.

Halifax Seed is a Canadian seed company specializing in seeds for maritime gardens and small commercial farmers. Each year they produce an extensive catalog of seeds for sale in individual packets, and also for wholesale. Halifax Seed is located in Halifax, Nova Scotia, where it was established in 1866.

Les Jardins de l’écoumène is an agricultural cooperative specializing in both annual and perennial seeds, including many organic offerings. Les Jardins de l’écoumène is located in Saint-Damien, Québec, and is operated by Guylaine et Jean François.