Noxious weeds have a broad range of environmental impacts, and must be managed properly to conserve water and protect animal habitats. In addition to the information listed below, please visit the following sites for additional resources concerning noxious weeds in Colorado:
Eagle County Noxious Weeds:
Eagle County has adopted the State of Colorado Noxious Weed lists A, B, and C as well as state-mandated methods of control. Please visit the Colorado Department of Agriculture Noxious Weed List for more information.
Weeds of Special Interest in Eagle County
List A Species (Eradication required)
- Colorado Weed Management Association: Wealth of information on history of noxious weeds, with many useful links.
- U.S. Department of Agriculture: Lists Colorado's invasive and noxious weeds with detailed photos of each life stage.
- Colorado State University Extension: Free and paid publications regarding weed management.
- Invasive.org: Resources for identification and control of invasive plants and species.
- Plants Poisonous to Livestock in the Western United States: USDS Publication on poisonous plants to livestock.
- Guide to Poisonous Plants: CSU searchable database of poisonous plants
- Specific poisonous plants: Bouncingbet, halogeton, kochia, poison hemlock, Russian knapweed, tansy ragwort
Eagle County Noxious Weeds:
Eagle County has adopted the State of Colorado Noxious Weed lists A, B, and C as well as state-mandated methods of control. Please visit the Colorado Department of Agriculture Noxious Weed List for more information.
Weeds of Special Interest in Eagle County
List A Species (Eradication required)
- Cypress spurge
- Knotweeds (Japanese, Giant, and Bohemian)
- Myrtle Spurge
- Orange Hawkweed
- Purple loosestrife
- Absinth wormwood
- Bouncingbet
- Bull thistle
- Canada thistle
- Chinese clematis
- Common tansy
- Dalmatian toadflax
- Dame’s rocket
- Diffuse knapweed
- Hoary cress (whitetop)
- Houndstongue
- Jointed goatgrass
- Leafy spurge
- Musk thistle
- Oxeye daisy
- Perennial pepperweed
- Plumeless thistle
- Russian knapweed
- Russian olive
- Salt cedar (tamarisk)
- Scentless chamomile
- Scotch thistle
- Spotted knapeed
- Yellow toadflax
- Chicory
- Common burdock
- Common mullein
- Downy brome (cheatgrass)
- Field bindweed
- Halogeton
- Poison hemlock
- Redstem filaree
- Baby’s breath
- Common reed (phragmites)
- Siberian elm
- Swainsonpea
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