Sheboygan County Herbicide Records Add Location and Timing Details
Sheboygan County, Wisconsin — September 15, 2026
Newly obtained records are adding location and timing details to Sheboygan County’s 2026 roadside herbicide program, giving residents more information about where county highway applications occurred.
The Beacon reported September 10 that it obtained county spraying records that were not previously available on the county’s public webpage. The development follows earlier reporting about the county’s expanded roadside spraying program and questions about location-specific public notice.
What the county says the program does
The Sheboygan County Highway Department says the program is intended to control wild parsnip and other invasive plants along county highways. The department also says the work helps protect motorists and roadside workers and uses a plant growth regulator to slow grass growth and improve visibility.
According to the county’s current highway information, treatment areas generally extend approximately 15 to 30 feet from county-road shoulders. The county says applications are performed by certified staff, with activity generally taking place during the spring and continuing through May.
The county page lists 2-4-D LV6, Plotter and TerraVue for broadleaf invasive plants. It lists Panoramic as a growth regulator and Length EXT for drift prevention.
Why the records matter locally
For people who live near county highways, own property along a county route or regularly travel rural roads, the records provide a more specific way to understand the 2026 program. Residents should rely on verified county records for road-specific information rather than assuming every roadside was treated at the same time.
The Wisconsin Department of Natural Resources says chemical control is one possible method for managing invasive plants. The appropriate approach can depend on the target species, desirable vegetation, proximity to water and other environmental conditions. That guidance provides general context, but it does not serve as an endorsement of Sheboygan County’s specific products or application practices.
Where to ask questions
Residents seeking additional information about roadside spraying records can contact the Sheboygan County Highway Department or the Sheboygan County Planning and Conservation Department. The September records concern 2026 applications and should not be read as confirmation that spraying is occurring in Sheboygan County on September 15.
