Mount Rainier National Park

Mount Rainier National Park

Fight to Break Knotweed's Hold in Pierce County

When it comes to invasive weeds, it's best to pick your battles. At least that's the rationale of Sean MacDougall, who last year embarked on what he envisions as a five-year campaign against one of the most notorious: Japanese knotweed.

MacDougall knew a lot about knotweed before he became program coordinator of the Pierce County Noxious Weed Control Board.