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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).

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.

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.

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.

Heritage Harvest Seed is located in Fisher Branch, Manitoba (north of Winnipeg), and is operated by seed grower Tanya Stefanec. All seed is open-pollinated, non-hybrid, non-GMO, and untreated.

Richters Herbs is located in Goodwood, Ontario (north of Toronto), where it is operated by the Richter family. Richters Herbs does not sell GMO seeds.

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.

Les Urbainculteurs

OSC Seeds, also called the Ontario Seed Company Ltd., is a major Canadian seed company specializing in seeds for home gardeners. They sell a wide variety of seeds, including many heirlooms, modern hybrids, and some organically-grown seeds (especially their Aimers Organics line of seeds). Their offerings include native plants, wildflowers, forage crops, and even tree seeds.

Wildflower Farm is a Canadian seed seller specializing in seeds for native North American wildflowers and grasses. They’re particularly known for their organically-grown, non-GMO, seed mixes. Wildflower Farm is located in Coldwater, Ontario, where it is operated by Miriam Goldberger and Paul Jenkins.

William Dam Seeds is located just outside of Dundas, Ontario, and was started by William and Maria Dam more than 60 years ago. William Dam Seeds has signed the non-GMO Safe Seed Pledge.

West Coast Seeds focuses on producing untreated and organically-grown seed. They offer an increasingly significant amount of certified organic seed, including organically-grown open-pollinated heirloom seed and also some organically-grown modern hybrid varieties.

Listings are alphabetical by province and company.

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

Looking for Canadian garden seed and plant sources online?

Quebec

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.

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.

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

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.