Browse resources Displaying 1 - 2 of 2 resources Photo courtesy of Linda McMahan. (Cropped from original) English ivy can be contained Invasive English ivy can be contained. May 8, 2009 | News story Photo by Lynn Ketchum. (Cropped from original) English ivy is an invasive weed in Pacific Northwest English ivy can completely engulf shrubs and encircles tree trunks of all sizes, leaving nothing uncovered. Feb 2, 2007 | News story