Proudly serving Canadian gardeners for over 125 years.
OSC Seeds is the largest 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 ship from coast to coast across Canada.
If you have any questions about our products, please contact us by filling out your information below. We would be happy to help!
OSC Seeds Head Office, Production Facility & Online/Mail Order Department
PO Box 7
77 Wellington Street South
Hours – Limited Hours of Operation Summer 2020
Monday to Thursday 9:00 AM – 4:00 PM
Friday 9:00 AM – 3:00 PM
In summer of 2020, we kindly request that you postpone your visit to our main office.
Pick-Up orders are limited at this time. Please contact our office to make arrangements before you visit and consider a delivery option where available.
Ontario Seed Co. Retail Store
16 King Street South
Free parking is available at the rear of the store on Regina Street
Monday to Friday 9:00 AM – 6:00 PM
Saturday 9:00 AM – 5:00 PM