| Abundant Life Seeds: Certified organic vegetable, flower, and herb seeds. |
| Appalachian Seeds: North Carolina sellers of organic seeds for a variety of heirloom and open pollinated vegetables, herbs and flowers. |
| Brother Nature: Specializing in organically grown, open pollinated flower, vegetable and herb seeds. |
| Ecogenesis Inc.: Canadian company selling seeds grown from publicly-owned genetic material. Site includes variety descriptions, but does not clearly differentiate between conventionally grown and certified organic seed. |
| Elixir Farm: Organic and biodynamically grown Chinese and North American medicinal plant seeds. |
| Genesis Seeds, Ltd.: Based in Israel, Genesis is a large producer of certified organic seeds of flowers, culinary herbs, medicinal herbs and vegetables. |
| Goûtzy organic seed: Wholesaler and retailer of garden seed certified organic and guaranteed gmo free : Edible flowers, vegetables, flowers and herbs. Only available in Canada. |
| Greta's Organic Gardens: Organically grown seeds, open-pollinated, heritage, vegetable, flowers, and herbs. |
| Herb Gully: Producers and supplier of certified organic herb seeds and plants. |
| Highmowing Organic Seeds: Offers seeds for vegetables, flowers, and cover crops, organically produced in Vermont. |
| Horizon Herbs: Organically grown medicinal herb seed of echinacea, goldenseal and 400 other species of plants. |
| Maple Bay: Offering non-certified organically grown hardneck and softneck seed garlic. |
| Natural Gardening Company: They sell certified organic seeds and plants, including heirloom tomatoes. |
| Polish Organic Tomato Seeds: US representative of a Polish producer of organic greenhouse tomato seeds. |
| Ready to Grow: UK site providing a range of unusual organically grown chilli (chile) seeds, and some non-organic exotic ornamentals including banana seeds and palm seeds. |
| Salt Spring Seeds: Promoting self-empowerment by providing untreated heirloom and heritage seeds to grow high-protein, good yielding, and great tasting crops. |
| Seeds of Change: Offers certified organic seeds and food, plus tools, books, and gifts available through online catalog. |
| Southern Exposure Seed Exchange: Seed-saving organization offers many varieties of heirloom and other open-pollinated vegetables that grow well in the southeastern U.S. |
| Sow Organic Seed Co.: Online catalog offering open pollinated seeds. Certified Organic. |
| Stellar Seeds: British Columbia grower of organic flower, herb and vegetable seeds |
| Tanager Song Farm: "Organically raised" heirloom tomato, bean, lettuce, pea and flower seeds. |
| Terra Edibles: Since 1992. Open-pollinated, heirloom seeds, organically produced. Offers tomato, vegetable, herb, flower, and sweet pea seeds. |
| Tomato Fest: Northern California seller of over 400 varieties of organic heirloom and open-pollinated tomato seeds. Also offers tomato related books, supplies, and gift items. |
| Tomatsidan: Organically grown tomato seeds from Sweden. There is an English list on the site, but most is in Swedish. |
| Two Wings Farm: Small Canadian family farm offers Certified Organic gourmet and heirloom seed. Specializing in tomatoes and salad greens suited to the shorter season. |
| Wild Garden Seed: Sellers of Certified Organic heirloom and other open-pollinated seed varieties adapted for the Pacific Northwest. |
| Windmill Point Organic Farm: Organic fruits and vegetables, organic seed catalog and heirloom tomato seeds available from Windmill Point Farm near Montreal, Canada |
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