Since potatoes grow underground, it can be hard to tell when they're ready to harvest. Watch their foliage. Once the leaves turn brown and die, wait a few weeks for the largest, best potatoes. Make ...
Plus, how to properly cure and store them afterward. Sweet potatoes will be ready to harvest about 90 to 120 days after planting. To harvest them, cut back their vines, then use a garden fork or spade ...