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Public Works

Phone: 913-715-8300

1800 W. Old Highway 56, Olathe, KS 66061

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Noxious Weed Management

What are Noxious Weeds?

Noxious weeds are plants that the Kansas Legislature has declared to have a negative impact on agriculture, public health, the environment or the economy.

The weeds declared noxious are shown below.  Click on the name below the image for more details about the weed.

Bur Ragweed

Bur ragweed

 

Canada Thistle

Canada thistle

 

Field Bindweed

Field bindweed

 

Hoary Cress

Hoary cress

 

Johnsongrass
Johnsongrass

 

Kudzu

Kudzu

 

Leafy Spurge

Leafy spurge

 

Musk Thistle

Musk thistle

 

Pignut

Pignut

 

Russian Knapweed

Russian knapweed

 

Sericea lespedeza

Sericea lespedeza

 

 

Noxious Weeds currently found in Johnson County: Field bindweed, Johnsongrass, Musk thistle, Sericea lespedeza.

Impacts of Noxious Weeds

Weeds, including those declared noxious, impacted the U.S. economy by an estimated 55 billion dollars in 2012.  Invasive species, including noxious weeds, are the #2 threat to native biodiversity, worldwide.  Additionally, noxious and invasive weeds pose a threat to electrical utility reliability, municipal water sources and the safety of our food supply.