Prescott

The growing season for continental is 5 months long. The main reason why Prescott can't grow a variety of crops is because it so far south it is almost in tundra.

Prescott is located in the south and is apart of the continental climate

Every thing that Prescott produces is staple crops. This means that it is all being consumed by the citizens of Prescott. They have no share in the global market for agriculture.