Pick bean pods that are firm and crisp from dry plants. Avoid breaking stems or branches to allow new flowers to grow.
Keep unwashed in plastic bags and refrigerate.
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There are many varieties and names for green beans such as French beans, goa beans, mung beans, and string beans. The leaves are oval-shaped, and the beans may be round or have a flat pod that is green or purple in color (University of Illinois Extension, 2013).