COVID UPDATE: Due to local restrictions our retail location is closed

Untreated Seed...

Of Highest Quality for over 70 years

About us

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

Red Sun Hybrid
Red Sun Hybrid

Red Sun Hybrid

From $3.45

Fireball
Fireball

Fireball

From $2.45

Procut Plum
Procut Plum

Procut Plum

From $4.75

Elegance Formula Mix
Elegance Formula Mix

Elegance Formula Mix

From $2.95

Laica Organic
Laica Organic

Laica Organic

From $2.85

Merengo F-1 Organic
Merengo F-1 Organic

Merengo F-1 Organic

From $5.35

Ballet BGS-270 Hybrid
Ballet BGS-270 Hybrid

Ballet BGS-270 Hybrid

From $4.65

Rowena Hybrid
Rowena Hybrid

Rowena Hybrid

From $8.75

Brentwood Organic (Pellets)
Brentwood Organic (Pellets)

Brentwood Organic (Pellets)

From $3.80

Hampton Organic (Pellets)
Hampton Organic (Pellets)

Hampton Organic (Pellets)

From $3.80

Summer Breeze Cherry Hybrid
Summer Breeze Cherry Hybrid

Summer Breeze Cherry Hybrid

From $8.75

Milagro Organic
Milagro Organic

Milagro Organic

From $3.95

Key Lime Pie Mix
Key Lime Pie Mix

Key Lime Pie Mix

From $2.65

Silvery Rose
Silvery Rose

Silvery Rose

From $2.45

Ella Bella Hybrid
Ella Bella Hybrid

Ella Bella Hybrid

From $3.95

Aranka Hybrid - SE
Aranka Hybrid - SE

Aranka Hybrid - SE

From $2.95

Ezrilla Organic (Pellet)
Ezrilla Organic (Pellet)

Ezrilla Organic (Pellet)

From $3.75

Croma Green
Croma Green

Croma Green

From $6.95

Orange Flash
Orange Flash

Orange Flash

From $2.45

Apricot-Salmon
Apricot-Salmon

Apricot-Salmon

From $2.45

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

Download our 2021 catalogue

Our store

279 Hamilton Regional Rd 8

Hamilton, ON L9H 5E1

Hours

Currently closed due to local restrictions.

Directions

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.

Pruning young tomato plants

Covering fall greens with row cover

Cultivating in brassica trial