Contact Information


Teton County Courthouse
150 Courthouse Drive - Room 107
Driggs, ID   83422

150 Courthouse Drive- Room 107
Driggs, ID   83422

208-821-0984 (phone)
208-354-8410 (fax)

Mon-Thurs 7:00-5:00 Please call ahead to guarantee service


Department Home

Now is a great time of year to treat Spotted Knapweed! Spotted Knapweed is a short-lived rosette forming perennial, usually 1-3 ft tall, and reproduces mostly by seed. It is grey-green, slightly rough to the touch, and has pink flowers. This agressive plant negatively impacts biodiversity, soil fertility, and wildlife habitat. Pulling can be effective if most of the taproot is removed; mowing is usually not effective as it can flower below blade height. Herbicide is effective. Contact us for help with identification or control recommendations.   


Please note that we are unable to maintain regular office hours as we treat weeds throughout the County. Call ahead or email to schedule an appointment to guarantee service.
Idaho State Statute requires noxious weeds to be controlled. “Noxious” is a legal designation; these species have been determined by the state of Idaho to pose a substantial risk to the environment and agriculture.

Just as landowners must control weeds on their property, Teton County is responsible for controlling weeds on our properties and rights of way. Additionally, we offer consultations, equipment rental, help with plant ID, and herbicide recommendations- learn more on the Services page.

Teton County will be controlling weeds along County roads and rights of way most of the summer season. We spot spray plants and use a blue indicator die to show what has been sprayed. The herbicide is relatively non-toxic, but should be avoided until it has dried.  To ensure we do not spray along your property, control noxious weeds to the edge of the road.  As always, please contact us with specific concerns or for more information. 


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