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seeds for sale

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

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.

Other categories that have been favored by our customers are auto-flowering seeds as well as seeds used in medical treatments.

High Supplies Premium Cannabis Seeds are cultivated in the Netherlands. They are hybrids from the breeds Sativa, Indica and Ruderalis. Our Cannabis seed shop is divided into different categories. You can directly search for a breed suited for either indoor or outdoor cultivation or opt for feminized seeds, which, being true to their name, have been modified to grow only female plants. Of course we also offer traditional seeds that develop both male and female plants.

Featured products

Marijuana seeds for indoor and outdoor cultivation

Regular, feminized, and auto-flowering Cannabis Seeds from the Netherlands

At High Supplies you can buy cannabis seeds comfortably online – always at the best prices. We sell premium marijuana seeds as a trademark and don’t feel the need to ask our customers for a minimum purchase. Take your time and poke around our page. We are looking forward to your order.

Everything you need to know when planting your seeds from Eden Brothers.

The perfect gift for all the gardeners in your life! Print and email options available.

USDA
Zone Map

We offer several shipping methods to choose from, shipping from our warehouses on both coasts.

Credit Cards Accepted

Learn which horticultural species will perform the best within your particular geographic region.