First decide what fruit plants would be most suited to your climate and soil type. In general, most plants like a well drained site with at least six hours of sun light a day. The diagram below is a general zone chart for Berries and Grapes. Choosing a Planting Site Avoid sites that hold standing water, or just doesn't drain well.
Low swags are also more susceptible to frost pockets.
Choose an elevated site when possible to allow good air and water drainage. If the soil you have is not ideal drainage. Consider a raised ridge or bed to allow better drainage. After you decide which plants works best in your area, start preparing the planting site. If possible, a year in advance would be preferred.