• Purple loosestrife can be mistaken for the native wildflower, fireweed; however, purple loosestrife has a characteristic squared stem.
    Eric Coombs, Oregon Department of Agriculture, 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

  • Blueweed, a recent new invader is a state listed noxious weed and only occurs in a few counties on the western side of the state of Montana.
    Bonsak Hammeraas, Bioforsk, Norwegian Institute for Agricultural and Environmental Research

  • 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

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

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