Invasive Weeds
Invasive weeds are not just non-native or undesirable weeds. They take over at the expense of the existing environment, reducing forage for livestock and wildlife.
Valley County residents must monitor and maintain their properties against invasive weeds.
Did you know you can see where weeds have been identified in Valley County? Check out the Valley County Noxious Weed Portal.
Seventeen (17) noxious weeds have been identified in Valley County. Learn more about each weed.
The top weeds in Valley County
- Leafy Spurge
- Rush Skeleton
- Spotted Knapweed
- Eurasian Watermilfoil
- Canada Thistle
- Oxeye Daisy
- Yellow Toadflax
- Hounds Tongue
- Orange Hawkweed
Questions about weeds?
Contact Valley County Noxious Weed Control. It has resources ranging from help with identification and control methods to loaner spray equipment and cost-share programs.
Weeds to identify?
- Contact Valley County Noxious Weed Control
- Browse the further resources listed to identify it.
- Send photos and samples to the University of Idaho Plant Diagnostic Services, online submission form available.
More Help
- Integrated Pest Management Center
- Idaho’s Noxious Weeds. This UI Extension publication provides high-quality photos, in-depth plant descriptions, habitat information and more.
- Idaho’s 67 Noxious Weeds. Explore the Idaho State Department of Agriculture’s interactive index of noxious weeds.
- Western Society of Weed Science. Browse newsletters and publications, learn about membership and attend the annual meeting.