Japanese knotweed (Polygonum cuspidatum) is an aggressive invasive plant species that was introduced into the U.S. from Eastern Asia (Japan, China, Korea) as an ornamental plant in the late-1800s. It escaped its cultivated areas and became invasive around the turn of the century.

Knotweed is harmful to natural ecosystems and homes and other structures. It chokes out native plants (which are necessary sources of food and habitat for pollinators and other insects, birds and other wild animals) and destroys walls, houses and other structures with its roots and rhizomes that penetrate the structures and pry them apart.

Luke Brussel has been working on removing all kinds of invasive plants, replanting native species, and educating the community with the Town’s Sustainability Collaborative on the threat of knotweed. As knotweed is spreading rapidly and colonizing large areas of Larchmont/Mamaroneck, both on public and private property, it’s proper removal and disposal is important for all of us to know.

Luke provided us a pdf with instructions on how to effectively remove and dispose of Japanese Knotweed. Please find the pdf on our website at https://larchmontgardens.com/ under “Neighborhood News”

Our thanks to Luke! Stay well and be safe everyone.