One of the most aggressive and harmful invasive plants is the Black Swallow-wort (BSW), Cynanchum louiseae, sometimes referred to as Cynanchum nigrum or Vincetoxicum nigrum).

How to Identify and Remove Black Swallow Wort

To sign up to help distribute door hangers (view sample) now through mid-July, 2019, please contact City of Somerville Community Engagement Specialist, Taylor Ko ([email protected], 617-625-6600 x2620)

Learn More on the Urban Ag Blog http://somervilleurbanag.tumblr.com/post/177099083348/not-all-non-native-plants-are-invasive-plants http://somervilleurbanag.tumblr.com/post/176562725288/planting-vegetation-that-is-native-to-new-england http://somervilleurbanag.tumblr.com