What are Noxious Weeds?
Washington’s noxious weeds are non-native plants that are invasive, competitive and very hard to control once established. They lower property values, decrease agricultural production, degrade wildlife habitat, threaten our native plants, reduce enjoyment of recreational areas and create public health hazards.
Noxious weeds are everybody’s problem—they impact homeowners, farmers, environmentalists, tourists, public land managers and elected officials. Noxious weeds easily cross ownership boundaries so it is important that we all work together to control them.

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1. There are weeds on property next to mine which keeps infesting my property, what can I do?
2. I keep removing weeds but they keep coming back up each year, what can I do?
3. I have removed noxious weeds, what do I do with the plant material?
4. I have a plant in my garden and I do not know the species. How do I identify it?
5. I have a noxious weed in my garden and I know the species, how do I control it?
6. What does the Jefferson County Noxious Weed Control Board do?
7. What are Noxious Weeds?
8. Who Decides What is a Noxious Weed?
9. Who Should Control Noxious Weeds?