U of A's Devonian Botanic Garden gathers seeds from the garden and sells them. See their online seed catalogue and order information as well as information on successfully growing from seed.
Seeds of Diversity is a Canadian volunteer organization that conserves the biodiversity and traditional knowledge of food crops and garden plants. Check their "Seedy Events" for a location and time near you.
Seed and Plant Sanctuary for Canada is a charitable organization dedicated to the health and vitality of the earth through the preservation and promotion of heritage seeds.
Canadian Organic Growers is a national charitable organization with members in all regions of Canada.
Canadian General Standard Board Voluntary Labelling And Advertising of Foods That Are and Are Not Products of Genetic Engineering