The great diversity of potatoes developed in the Andes has been expanded even further around the world, so that there are varieties suited to nearly every climate, with harvest times anywhere from midsummer to late fall. Most prefer a well-drained, slightly acid soil, and are planted in the early spring. | The great diversity of potatoes developed in the Andes has been expanded even further around the world, so that there are varieties suited to nearly every climate, with harvest times anywhere from midsummer to late fall. Most prefer a well-drained, slightly acid soil, and are planted in the early spring. |