Seed Savers Exchange is a nonprofit organization leading in preserving and distributing heirloom vegetables, herbs, flowers and plants. Seed Savers Exchange is a member supported organization of gardeners and plant collectors who save and share heirloom seeds, thereby preserving our garden heritage. At the 890-acre Heritage Farm near Decorah, Iowa, we maintain one of the largest collections of open-pollinated heirloom varieties in the United States.