Working together to strengthen and support noxious weed management efforts in Montana.

Are noxious weeds ranked or prioritized?

Monday, May 17th, 2010

In 2010 the Montana Department of Agriculture revamped the noxious weed priority system.   Noxious weeds are now rank one of 5 priorities.

Priority 1A – These weeds are not present in Montana.  Management criteria will require eradication of detected; education and prevention.

Priority 1B – These weeds are have limited presence in Montana.  Management criteria will require eradication or containment and education.

Priority 2A – These weeds are common in isolated areas of Montana.   Management criteria will required eradication or containment where less abundant.  Management shall be prioritized by local weed districts.

Priority 2B – These weeds are abundant in Montana and widespread in many counties.   Management criteria will require eradication or containment where less abundant.  Management shall be prioritized by local weed districts.

Priority 3 – Regulated Plants – NOT Montana Listed Noxious Weeds.  These regulated plants have the potential to have significant negative impacts.  These plants may not be intentionally spread or sold other than as a contaminant in agricultural products.  the state recommends research, education and prevention to minimize the spread of the regulated plant.

Download a copy of the current priority list of Montana Noxious Weeds.


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