Answer: Your beans may have cross pollinated with another variety of beans and so the seeds you save may not produce plants quite like the ones you grew this year. In fact, if the plants were hybrids it is possible the progeny may not be at all like the plants you grew this year. However, simply allow them to mature and dry in the pod on the plant. Ideally the seeds will be so hard it is difficult to dent them with your teeth. When the pods are brown and begin to split, harvest them (some gardeners will pull the entire plant up and stack them loosely to allow air to continue to circulate) and allow them to dry for a few more days. When they are very dry, clean the seeds and place them in an airtight container. A good place to keep the container is in the refrigerator where the temperature is somewhat cool and also constant.
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