Concord's invasive plant list includes Japanese knot weed. There is a lot of it next to the Concord Lumber parking lot on Lowell Road for anyone who is not familiar with it. It is in bloom in September and has a bamboo type stem.
This post was contributed by a community member. The views expressed here are the author's own.
The views expressed in this post are the author's own. Want to post on Patch?
More from Concord
Crime & Safety|