It is not often that a gardener can plant a seed, and then harvest both the leaves and the roots in one season. But in the case of Salsify, Scorzonera, Celeriac and Daikon the benefits go both ways. The dark iron rich leaves provide nourishment and flavoring, while the roots bring up minerals from deep below the soil. With credential like these, why have these four honorable heirlooms have largely been forgotten in most gardens? Read my article about root crops that offer more than one harvest in the summer issue of Organic Gardening Magazine.