(reprinted with permission from Colorado Weed Management Association)
Non-native and Unchallenged
What distinguishes noxious weeds from other plants is that they are not native to the United States, and they grow unchecked by natural predators and enemies such as insects or diseases. In their native environment, these forces prevent the plant from becoming a problem.
How Noxious Weeds [...]

Carpe weedum: Seize the weeds!
(Weed ‘em and reap; leave ‘em and weep.)
By Irene Shonle, Colorado State University Extension
The success of controlling weeds depends on three things – knowing your weeds, knowing which control method to use, and being persistent. In this article, you’ll find the basic information on different methods of control, [...]

The best defense against weeds–land covered with healthy vegetation
By Susan Fernalld
This year the invasive weeds are surging, using this year’s late moisture to colonize land where native vegetation is thin. Bare soil requires attention to prevent erosion and the rapid in-filling of weeds. The best defense against weeds of all kinds is land that is [...]

Boulder County Weed Manager:
Steve Sauer
Boulder County Parks and Open Space
Weed Coordinator
5201 St. Vrain Rd.
Longmont, Co. 80503
Office: 303/678-6110
Mobile: 303/829-9862 303 678-6110
ssauer@co.boulder.co.us
Susan Basabe, Boulder County Planning and Zoning inspector for unincorporated Boulder County and Boulder County Parks and Open Space: 303 441-3930, sbasabe@co.boulder.co.us)
Colorado Department of Agriculture’s Biological Pest Control Section (Insectary):
Toll free 1 866 324-2963 (to order [...]