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 Rachel Frost)
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 Brian Ostwald)
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 Jane Mangold)
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 Brian Ostwald)
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 Jesse Scott)

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…

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Upcoming Events

Upcoming Events

Montana Noxious Weed Awareness Week
Sunday, June 6 – Saturday, June 12
MWCA Gun Raffle will happen each day this week

Oct 1

Andy Orr completes some fall spraying in Beaverhead County.

Oct 1

Beautiful office for Sara Berger in Fallon County!

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Recent News

MWCA Membership rates and levels to change July 1

After at least 10 years, MWCA is changing up membership levels and pricing. This change is a part of the overall strategic planning that is happening within the MWCA. Currently, MWCA has at least 7 levels of membership and with the new changes it will drop down to 4. Membership levels that were approved by […]

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2022 MWCA Annual Conference changes dates and location

The 2022 MWCA Annual Conference will be held January 31 – February 3, 2022, at the Billings Hotel and Convention Center. This event will not be a hybrid event, but an in-person function. Draft agenda and details TBA.

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