These Manitoba associations and organizations may be relevant to a Manitoba organic farmer.
Heritage Harvest Seeds – Manitoba company specializing in rare and endangered heirloom vegetables, flowers, and herbs
Sage Garden Herbs – MB Company selling certified organic and other seeds in small quantities
T&T Seeds – Local seed and gardening supply store
Seeds of Diversity Canada - source for information about heritage seeds, seed saving, plant diversity, garden history and garden heritage (Canada)
Seed Savers Exchange - non-profit organization of gardeners dedicated to saving and sharing heirloom seeds (USA)