Purchase bulbs that are solid and germ-free. It's also crucial that the shallots have a mild and delicate aroma. An unpleasant odor might signal the start of degeneration and the presence of rotting beneath the skin. For the best possible conservation, After harvesting in the fall, gray shallots may only be preserved for a few weeks. As a result, it's difficult to find it outside of season. The others can be stored for a few months. In a paper bag or mesh bag, keep all varieties of shallots dry and at room temperature. Refrigerators and heated areas, particularly those near the stove, should be avoided.