Consider This The Tart Taste of Knotweed Revenge Kathy Voth March 19, 2013 This podcast comes to us from WNYC's "Last Chance Foods." We thought our readers might enjoy this episode because it gives you some tips for dealing with your knotweed problem by eating it yourself. ÂAll the grazing management tips you need Subscribe to read this article and over 2,500 more! Subscribe today! If you're already a subscriber, log in here.