Help us search high and low for one of the most devious and devastating of all of the invasive weeds, knotweed! You must be able to navigate over steep, uneven terrain and through thick vegetation. It may require walking in the stream, so please bring rain boots or waders or let us know what size you need to borrow. Long sleeves and pants are required. Training, tools, and gloves provided at all events. We also provide snacks, so please let us know if you have special dietary needs! Sign up online.