Exotic Pest Reporting
Japanese knotweed (Polygonum cuspidatum) is an invasive plant. It was first detected in West Virginia in 1952.
Japanese knotweed is a very aggressive species that is capable of crowding out all other vegetation.
Summaries of State Plant Protection Laws and Regulations
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07/21/2017 - Ottawa experts wage war on the latest invasive plant
07/18/2017 - 400 sites in Cork "seriously infested" with knotweed
03/28/2016 - Knotweed beware - Vernon News - Castanet.net
12/18/2015 - Weed of the Month: Japanese Knotweed
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08/24/2015 - Brooklyn battling invasive plant
06/23/2015 - Efforts expand to control invasive plants
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04/22/2014 - Spring Cleaning Team Tidys Up Housatonic Riverfront