The only items that do not do well in the dehydrator are fats, olives, avocados, fatty meats and the like should be avoided. Just about any fruit or vegetable is good but some veggies need to be blanched. The best way to be ready to use a dehydrator is to follow the instructions in the box or to purchase a good book on the subject. A book can be used for reference anytime it is needed and in general goes into far more detail than any 1 article can online. Here is a good place to start with all the basic info and recipes, just click the link below to learn a lot more about dehydrating your garden.