PO Box 364

Paonia, CO 81428



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


CWMA 2014 Annual Conference

Creating Healthy Landscapes: The Cost of Invasion

December 3-4, 2014

Conference and Registration Info



Nominations for Awards are due November 5, 2014

Award Nomination Form


Ray Kessler Memorial Scholarship

Applications due November 5, 2014


The Ray Kessler Memorial Scholarship is designed to help Colorado Weed Management Association members who are seeking to further their job-related education while continuing their employment.


Up to $1,500 in scholarship funds are to help defray tuition costs or registration fees for enrollment in courses and other formal educational programs for the purposes of improving skills to become leaders in invasive species management.

An applicant must be a CWMA member.


More Info




Join or renew now!

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


2015 Memberships

2015 Calendar


2015 Calendar

Order Here


Pulling For Colorado

P4C Information

Map of 2014 Events


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


Garden Smart Colorado

sulf cinque

Weed Tool

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




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