Curly dock has a familiar defense system, for it synthesizes the same chemical compound, oxalic acid, as brussels sprouts, broccoli, cauliflower, Swiss chard and spinach. Young leaves have tolerable ...

Nicole Zempel forages for curly dock and uses its greens, seeds and roots in a variety of dishes. Prairie Sportsman is available to stream on pbs.org and the free PBS App, available on iPhone ...