Lawrence acknowledges the noxious weed law and invasive species as defined by NR40 and commits to responsible management of invasive species. 

NR40 identifies, classifies, and controls invasive species. Regulation includes the movement of invasive plants or their seeds, either intentionally through planting or unintentionally through construction, mowing or other operations. To comply with NR 40, controlling the movement of invasive plants and their seeds is essential. 

Lawrence Invasive Species Initiatives 2023 

  • Except and unless otherwise permitted by the City of Appleton for excepted areas or time periods (eg – “No Mow May”), Lawrence will endeavor to mow as appropriate before invasive species go to seed. See Mowing Wisconsin's roadsides for more explanation. 
  • Prohibited species control. Lawrence will work with appropriate local and state officers and departments to control prohibited invasive species. Please contact the Lawrence Facilities Department if you know of a prohibited species on any Lawrence owned or maintained properties. 
  • Permitting control efforts. Lawrence will allow authorized and contracted individuals and groups on its property to manage invasive species. The proper herbicide applicators license and certification will be required for herbicide use and all safety protocols must be followed. 
  • Biological control. Lawrence will work with the Department of Natural Resources to formulate any remedial plans which involve the release of bio-control agents on Lawrence properties for the control of specific invasive species. 
  • Management of emerald ash borer (EAB) infected ash trees in rest areas.