DESCRIPTION
Japanese Knotweed is a newly discovered invasive weed in SE Washington, first discovered in Mill Creek in Walla Walla County. An effort to eradicate knotweed in Mill Creek will be completed in 2013. In late 2012 knotweed was also discovered on the river levee in the City of Waitsburg in Walla Walla County. The Walla Walla County Conservation District was notified and will be investigating options for removal in 2013. It is anticipated future projects will be completed to combat the expansion of this noxious weed.
Jananese Knotweed is an invasive ripairian noxious weed first discovered in SE Washington in Walla Walla County in 2010. The Walla Walla County Conservation District has been working with the Weed Board and NRCS to eradicate it from the Mill Creek drainage and should be completed in 2013. In 2012 a new population of knotweed was identified in Waitsburg on the Touchet River. This project will work to eradicate knotweed in the Touchet startig with the Waistburg population.
Touchet River Population
