The University of Arizona

College of Agriculture and Life Sciences

Improving Lives, Communities and the Economy

Greenlee Noxious Weeds

  • Check out a guide for all state listed noxious plants in Arizona

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  • Information for Small Acreage Landowners

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  • The noxious weed problem in the western United States has
    been described as “a biological forest fire racing beyond

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The spread of noxious weeds on public, state trust and private lands in southeastern Arizona poses risks to native and rangeland animals, threatens biodiversity and native plant species, damages park land and natural resources, and causes economic hardship for farmers, ranchers, and municipalities. The geographic region comprising Cochise, Graham and Greenlee counties in Arizona has relatively small infestations of noxious weeds compared to other areas in the West. This gives us a unique opportunity to be proactive and control weeds before it becomes economically not feasible to do so.

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