Seed Saving : Beans Bean are easy for a beginning seed saver to learn on. Seed Saving Instructions: Bean flowers are self-pollinating and almost never cross-pollinate. As a precaution never plant two white seeded varieties side-by-side if you intend to save seed because crossing may occur but not be visible. It is always best to save seed from plants that ripen first and are free from disease. Harvest seed pods when completely dry, crush in a cloth or burlap sack and winnow the seeds from the chaff. Store in a papper bag and freeze for a couple hours to kill any vermin and then label and put in a glass jar and store in a cool, dark, dry place tenzicut