1949
William Dam Seeds established
William and Maria Dam start out at their kitchen table in Sarnia, Ontario.
1959
A new home base
The family and seed business moves to our current home outside of Dundas Ontario.
Late 1960s
Switch to exclusively untreated seed
William Dam decides to sell untreated seed due to a reaction he had to chemical treatments.
2000
Organic seed is added to the catalogue
The first shipment of certified organic seed arrives in house from Italy in December 1999.
New Varieties 2021

2021 edition of our catalogue
To request a mailed copy of our catalogue please click on the following link and fill out our form. Request Catalogue
Our store
279 Hamilton Regional Rd 8
Hamilton, ON L9H 5E1
Hours
Currently closed due to local restrictions.
Why do we trial?
We maintain trial plots so that we can be familiar with the products we sell, try out new seed varieties against proven varieties, and understand the challenges sustainable production methods present such as insect control or weed suppression.