The purpose of this County office is charged with: (1) enforcing the State Noxious Weed Law within the County boundaries and (2) providing information and material to help control and eradicate noxious weeds.

The Kansas Legislature has declared 12 weeds as noxious. They are:

Musk Thistle Field Bindweed Canada Thistle
Leafy Spurge  Russian Knapweed Kudzu
Bur Ragweed         Quackgrass Sericea Lespedeza
Pignut Johnson Gras Hoary Grass


The Kansas Noxious Weed Law, KSA, Chapter 2, Article 13, requires all persons who own or supervise land in Kansas to control the spread of and to eradicate all weeds declared by legislative action to be noxious. Copies of the State Weed Law are available at the Noxious Weed Office.

KSA 2-1330 Entry upon and inspection of property. County commissioners, township boards, city officials and state, county and city weed supervisors shall have at all reasonable times, free access to enter upon premises and to inspect property, both real and personal, regardless of location, in connection with the administration of the state weed law.

Chemicals available at the Noxious Weed Office are for the treatment of noxious weeds only. All sales are final. When purchasing chemicals at the weed office, please supply the name of the owner, operator, applicator, legal description of the land, name of weed to be treated, the chemical to be used, the rate per of application per acre, and the amount of acres to be treated.

These chemicals include:

  • 2-4-D Amine 4#
  • 2-4-D LV ester 4#
  • Tordon 22K (Picloram) Restricted Use Chemical.  You must have a current Pesticide Applicators Certificate to pick up restricted use chemicals
  • Dicamba (Clarity)
  • Escort
  • Remedy  (Sericea lespedeza only)
  • Glyphosate (Roundup) (5 gallons available for Johnsongrass unless verification of Johnsongrass infestation by Noxious Weed Office only.)  (Not for sale for Field Bindweed, until the month of Ausust (except for special situations, with the discretion of the weed director.)

Kansas Department of Agriculture

Kansas Department of Agriculture Weed Control Program

Kansas Department of Agriculture Pest Management

Kansas Department of Agriculture Noxious Weed Law