5 Steps to Storing Potatoes for Winter 1. Find an Area Suitable for Storing Potatoes. Potatoes should be stored in a dark environment at about 45˚F to 50˚F (7˚C to 10˚C).

Storing potatoes properly is an important part of our gardening. We grow a lot of potatoes (some years over 250 pounds) so it is important that we keep those potatoes lasting as long as possible in our winter storage.

Potato Storing After Harvest. The tubers can last for six to eight months when stored in cool temperatures. When storing garden potatoes in temperatures above 40 F. (4 C.), they will only last three or four months.