And unlike outdoor herbs, they can be grown year-round. Myriad varieties of lettuce, watercress and arugula work well. They form the base of most salads and in cases like kale are a hearty ...

But for those who'd like to try growing some food in winter, there are a few edible ... more tender plants, like lettuce, to use up while you can. Sturdier greens like spinach, arugula, or kale ...