You’ve probably heard the names of a few of the invasive species that plague Michigan: zebra mussels, emerald ash borers, phragmites. Photos via Creative Commons. How to get rid of Japanese Knotwood (Michigan Bamboo) Asked May 31, 2013, 11:24 PM EDT I have a 40foot by 60foot area in my back yard infested with this aggressive invader. Class C noxious weed California. The seeds are three parted and thankfully not all of them are fertile. This rapidly growing plant is quick to shade out native species and garden cultivars. Photos via Creative Commons. You’ve probably heard the names of a few of the invasive species that plague Michigan: zebra mussels, emerald ash borers, phragmites. Japanese knotweed, Japanese bamboo. In checking the Michigan Dept. The plant we're talking about is called Japanese knotweed. Invasive Species in top image, from left to right: Japanese knotweed, European frog-bit, Black swallow-wort, Garlic mustard, Phragmites. I am including a link below to the DNR web site which provides more information on control methods for Japanese Knotweed. It takes over roadsides, residences and community recreation areas, threatens our stream banks and Invasive Species in top image, from left to right: Japanese knotweed, European frog-bit, Black swallow-wort, Garlic mustard, Phragmites. of Natural Resources site, there is a link on their website to report invasive species, and Japanese Knotweed … leaves. Hello, Sorry to hear you are dealing with Japanese Knotweed. We administer grants that make communities healthier, safer and more vibrant. Thanks to a grant through the DNR, regions across the state are forming cooperatives to address the pesky plant. Japanese Knotweed (Fallopia japonica) also called (Polygonum cuspidatum) is identified by its jointed stem, with a whitish bloom, that can be 20mm (3/4 inch) in diameter. As with any invasive, a multi-pronged, long-term approach is needed to eradicate the plant. Large, alternate leaves, with pointed tips are also distinctive. Japanese knotweed is an invasive species spreading in Southwest Michigan. Japanese knotweed (Polygonum cuspidatum) is a non-native invasive species that threatens our community. Incidentally, the following link to the Michigan DNR PDF on Japanese knotweed (where I obtained most of my information) contains more information on destruction of this plant including effective chemicals that can be used to destroy the underground rhizomes. These grants enable our local partners to promote the lifestyles we all enjoy by providing recreational opportunities, enhancing wildlife habitat and ensuring public safety. 2yrs ago the extension told me to cut it off and poor concentrated Round up in. Its flowers are white and normally held upright in short inflorescences. Japanese knotweed ... (University of Michigan - Dearborn) (POCU6) USDA Forest Service Fire Effects Information System (POCU6) ... 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