PO Box 419

Hotchkiss, CO 81419



fax: 720-880-3051







Main Page


Mission Statement

The mission of CWMA is to provide education, regulatory direction, professional improvement, and environmental awareness to preserve and protect our natural resources from the degrading impacts of invasive species (terrestrial and aquatic vegetation) in Colorado and surrounding states.



Who We Are

CWMA 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.



Important Information




Board of Directors Nominations


Due Wednesday, Sept. 30



Award Nominations


Due Friday, Oct. 16


Visit our Awards page for more information



Join or renew now!

Memberships are based on a calendar year from January 1 - December 31


2015 Memberships


Weeds 101 Workshops


Dr Beck's Weeds 101 workshop presentations are available HERE

Pulling For Colorado

P4C Information


July 11, 2015

Pulling For Colorado (P4C) is a statewide effort to educate Colorado about the impacts noxious weeds are having on our natural, agricultural and recreational lands.

Economic Impact Study

CSU, Colorado Parks and Wildlife and CWMA have partnered to develop an Economic Impact Study of Invasive Weeds for Colorado. The first phase of the project is now available.


Economic Impact Study

weed book


CWMA Publications

Books and Brochures


Noxious Weeds of Colorado - SOLD OUT


sulf cinque

Weed Tool

This new tool provides an easy interface to identify invasive weeds.





2015 March

2014 October

2014 June

2014 January



NPDES Information


Weed Spotter

Since 2004, CWMA has worked to provide a way for our members to receive up-to-date information about new infestations of high priority and unknown noxious weeds. More Information