Selecting the freshest fruits and veggies is the first step to getting the longest storage life in your kitchen. Leafy greens should be “richly colored” and without “any limp or yellowing leaves” (which signal that they’re past their prime). When you are choosing root vegetables, cabbages, squash, and onions. If you rely on grocery delivery, you don’t have as much control over the quality of your produce. However, selecting certain types of produce can buy you more longevity. But first, a primer on how to think about storing it all.