Are you looking for the OSC Seeds catalogue? Add your name to our mail list and we will send you a copy of the 2026 OSC Seeds catalogue.

The OSC Seeds Catalogue features our selection of high-quality seeds, perfectly suited for the Canadian climate and ready for planting in your garden.

Click here to view a PDF version of the 2026 OSC Seeds Catalogue.

2026 Catalogue Mailing Schedule

We mail the 2026 catalogues on three specific dates. To receive your copy, please note the cut-off dates for each mailing:

1. Initial Mailing: Catalogues will be mailed on December 1, 2025.

2. Winter Mailing: Requests received after December 1, 2025 and before January 26, 2026, will be mailed on January 26, 2026.

3. Spring Mailing: Requests received after January 26, 2026 and before March 23, 2026, will be mailed on March 23, 2026.

Requests received after March 23, 2026 will automatically be added to the priority list for the 2027 catalogue’s initial mailing, which usually occurs in early December.

Please note: We are unable to accommodate catalogue requests outside of these scheduled mailing dates. For immediate planning, we encourage you to view our complete digital catalogue online.

Do you no longer wish to receive the OSC Seeds Catalogue? Please click here to unsubscribe.