The term “destroy” means the complete killing of weeds or the killing of weed plants above the surface of the ground by the use of chemicals, cutting, tillage, cropping system, pasturing livestock, or any or all of these in effective combination, at such time and in such manner as will effectually prevent such plants from maturing to the bloom or flower stage.
The term “noxious weeds” as used in this chapter includes the following: Canada thistle, leafy spurge and field bindweed (creeping Jenny) and any other such weeds as the governing body of any municipality or the county board of any county by ordinance or resolution declares to be noxious within its respective boundaries.
Every person shall destroy all noxious weeds on all lands which he shall own, occupy or control. The person having immediate charge of any public lands shall destroy all noxious weeds on such lands. The highway patrolman on all federal, state or county trunk highways shall destroy all noxious weeds on that portion of the highway which he patrols. The town board shall cause to be destroyed all noxious weeds on the town highways.
This notice is published annually on or before May 15 as a notice under s. 985.07, Wis. stats: https://docs.legis.wisconsin.gov/statutes/statutes/985/07
Note: See also Department of Natural Resources administrative rule Chapter NR 40, Wisconsin Administrative Code, which regulates invasive species throughout the state: http://docs.legis.wisconsin.gov/code/admin_code/nr/001/40
