Seed Savers Exchange (SSE) conserves and promote America’s culturally diverse but endangered garden and food crop heritage for future generations by collecting, growing, and sharing heirloom seeds and plants. SSE preserves 25,000+ rare and heirloom seeds in its seed bank, shares its seed collection via its catalog and shop, helps others save and share seeds in their gardens and communities, and teaches gardeners and seed savers, passing on knowledge and traditions.