About OSC Seeds

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

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.

Quality Standards & Organic Certification

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).

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.

Are you a retailer?

Quick Order

Do you already know what seed products you want to order? Use individual product codes to quickly select your quantity and order in bulk using our Quick Order feature.

Request a Catalogue

Are you looking for the latest edition of the OSC Seeds catalogue? Ask for a catalogue to be delivered to your home today and browse our full selection of high-quality seed packets.

Expert Gardening Tips

New In 2019: OSC Seeds International Line

At OSC Seeds, we’re proud to continue providing our customers with the highest quality seeds in a wide range of varieties to suit your needs. That’s why we’re so excited about our newest line of [...]

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