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

MWCA Fall Weed Manager Training
Deer Lodge, MT
October 13-15, 2020
More details coming soon.


In addition to weeds, spring flowers are also popping up! Thanks Carol B for the pic. ...

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Weeds don't wait for covid! Weed Districts are gearing up! ...

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Recent News

Rejuvra receives EPA approval for grazed range lands

It is with great excitement to be announcing that Bayer just received EPA approval of the grazed range label for Indaziflam!  The journey to this point has been a collaborative effort with universities, ranchers, land managers and Bayer throughout the west. Many who are passionate about restoring our western rangelands have seen the devastation caused […]

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Invasive Species Podcasts

A couple weeks ago a podcast was recorded and hosted by Mat Walter, Lewis & Clark County Extension Agent. It was a discussion about invasive plants/weeds in Montana. There wa so much to talk about that Mat made a part 1 and part 2. Links to it are below. Mat has started this podcast called […]

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