MWCA
Currently, Montana has approximately 7.6 million precious acres infested with state-listed noxious weeds, and several new and potentially devastating invaders encroaching our borders. 
(Photo by Kellieann Morris)
MWCA
Noxious weeds can increase soil erosion which can adversely affect water quality for fish, and thick stands of noxious weeds such as salt cedar or Russian olive, can make access to rivers and streams difficult.
(Photo by Jesse Scott)
MWCA
Noxious weeds can invade pastures and range land reducing viability. Weed seeds can be transported in the fur of livestock and in manure. Even more importantly, many of Montana state-listed weeds are toxic to animals.
(Photo by Kara Maplethorpe)
MWCA
Noxious weeds can negatively affect the value of your property. Be a responsible landowner and follow the law by managing and preventing noxious weeds on your property.
(Photo by Dale Butori)
MWCA
Noxious weeds adversely affect the habitat where game and waterfowl reside. While hunting, your clothing, vehicles and dogs can transport weed seeds impacting future hunting opportunities.
(Photo by Hannah Lewis)

ABOUT MWCA

Help us Keep Montana Beautiful

The Montana Weed Control Association (MWCA) is a member-supported non-profit organization.

MWCA members are dedicated to terrestrial and aquatic invasive species management. Our members include professional weed managers representing many government agencies, private and commercial applicators, non-governmental organizations and concerned citizens.

Our goal is to facilitate long-term, ecologically based, integrated noxious weed management programs throughout Montana.

Learn more and help us keep Montana naturally beautiful…

Featured Video

It’s been a long winter, but the weeds are popping up!! Before you know it, you’ll need to get your ATV out and start treating weeds. In case you need a refresher, here is a valuable video on how to calibrate your ATV. Thanks to Elkhorn Productions, Ravalli County and the MDA Trust Fund grant that produced this.

Upcoming Events

2019 Weed Whackers Ball will be September 14th in Wise River! Come attend the greatest Weed Party in Montana! More details TBA!

Recent News

Ballast boats need decontamination at watercraft inspection station

Boat owners transporting watercraft with ballast tanks or bladders will undergo additional cleaning at watercraft inspection stations to prevent the spread of aquatic invasive species. The Montana Legislature passed a law requiring watercraft with ballast tanks or bladders to be decontaminated before launching on Montana waters. Decontamination is required when coming into Montana from out-of-state […]

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2019 Montana Range Tour

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