Everybody likes sunflowers, right? But what about some native sunflowers that are perennial, crowd out weeds, are tolerant of partial shade, and produce edible tubers? Enter the humble Jerusalem artichoke, or sun choke—a delicious vegetable that you may have seen at the Farmers Market in the depths of winter. The tubers can be harvested as needed during the winter months, and are best after a hard frost. Try roasting them, steaming them, or mashing them with a little butter and nutmeg. A few words of caution though—Jerusalem artichokes aren't for small gardens, and they need well drained soil.