Baker Creek Heirloom Seeds
- rareseeds.com
- Offers open-pollinated, natural and non-GMO seeds. Excellent selection of interesting heirloom varieties.
Becker’s Seed Potatoes
- R.R. #1, Trout Creek, Ontario, POH 2LO
Bountiful Gardens
- bountifulgardens.org
- Offers untreated, open-pollinated heirloom seeds and publications. Offers many varieties as Certified Organic, Natural or Grow Biointensive (TM)
Cooks Garden
- cooksgarden.com
- Offers heirlooms and some organic varieties.
Fedco
- fedcoseeds.com
- A cooperatively-owned seed company specializing in cold-hardy varieties. Offers many varieties of Certified Organic and heirloom seeds.
High Mowing Organic Seeds
- highmowingseeds.com
- Farm-based family-owned company that offers Certified Organic, heirloom and open-pollinated seeds.
Horizon Herbs
- horizonherbs.com
- Farm-based family-owned company that offers Certified Organic seeds and medicinal herbs.
J.H. Hudson Ethnobotanical Catalog of Seeds
- kitchengardenseeds.com
- Does not sell treated or genetically modified seeds.
Johnny’s Selected Seeds
- johnnyseeds.com
- Employee-owned producer and merchant that offers a wide range of crops. A number of certified organic seeds are offered.
Native Seed Search
- nativeseeds.org
- A non-profit organization that conserves and distributes a diverse variety of seeds from the American Southwest and northwest Mexico.
Nichols Garden Nursery
- nicholsgardennursery.com
- Family-operated business that offers open-pollinated and hybrid seed appropriate for Northern California and the Pacific Northwest.
Parks Seed Co
- parkseed.com
- Provides only untreated, non-genetically-modified seed, a source of some Certified Organic seeds. Specializes in flowers.
Pinetree Garden Seeds
- superseeds.com
- Good selection, very inexpensive.
Renee’s Garden Seeds
- reneesgarden.com
- Offers heirloom, open-pollinated and hybrid seeds. No treated or GMO seeds.
Richters
- richters.com
- Great selection of culinary and medicinal herbs. No genetically engineered seeds sold.
R. H. Shumway
- rhshumway.com
- Established in 1870, beautiful catalog, interesting varieties.
Ronnigers Seed Potato
- ronnigers.com
- Certified seed potatoes.
Seeds of Change
- seedsofchange.com
- Offers open-pollinated, organically grown, heirloom seeds.
Seed Savers Exchange
- seedsavers.org
- A non-profit organization dedicated to saving heirloom seeds. Has some Certified Organic seeds.
Southern Exposure Seed Exchange
- southernexposure.com
- Specializes in open-pollinated seeds. Many Certified Organic seeds available. Emphasizes varieties adapted to the Mid-Atlantic region. No GMO seeds.
Stokes
- stokeseeds.com
- Offers open-pollinated and hybrid vegetables and flowers.
Territorial Seed Co.
- territorialseed.com
- Wide variety of open-pollinated and hybrid seeds. Many appropriate for cool climates. Organic seeds available.
Tomato Growers
- tomatogrowers.com
- Tomato and pepper varieties. Open-pollinated and hybrid seeds available.
Totally Tomato
- totallytomato.com
- Tomato and pepper varieties. Open-pollinated and hybrid seeds available.
Turtle Tree Seeds
- Turtletreeseeds.com
- Open-pollinated and biodynamically grown seeds. Demeter Certified. No GMO seeds.
Vermont Bean Seed Co
- vermontbean.com
- Offers a wide variety of fresh and dry bean varieties.
Wild Garden Seed
- wildgardenseed.com
- Farm-based organic seed company in the Pacific Northwest. Fantastic selection of open-pollinated varieties.