• Spotted knapweed infestations occur in all 56 counties in the state of Montana.
    Rob Routledge, Sault College, Bugwood.org

  • Orange hawkweed is a Priority 2A state listed noxious weed in the state of Montana. This species is difficult to control because of its ability to spread by rhizomatous or above ground ‘runners’ that start new plants.
    UAF Cooperative Extension Archive, University of Alaska - Fairbanks, Bugwood.org

  • The larva of the leafy spurge hawk moth (Hyles euphorbiae) is an introduced biological control agent that feeds on leafy spurge. Biological control agents are natural predators or enemies of a plant species that feed on those plants and help to reduce or control populations helping to prevent their spread.
    Whitney Cranshaw, Colorado State University, Bugwood.org

  • Russian knapweed is one of three species of knapweed that occurs in Montana; the other species are spotted and diffuse knapweed.
    Joseph M. DiTomaso, University of California - Davis, Bugwood.org

Montana Noxious Weed Education Campaign (MTNWEC)

“To educate the people of Montana about the economic and environmental impacts of noxious weeds
while encouraging the public to participate in ecologically based integrated weed management.”


Since its inception in 1995, the Montana Noxious Weed Education Campaign has tailored its mission toward educating the people...

Read more


Shantell Frame-Martin
Montana Noxious Weed Education Campaign Coordinator
(406) 444-9491

Stay Connected

Follow us on Facebook

Stop Invasive Species in
your Tracks

Read More

In the News