Who Decides What is a Noxious Weed?
Every year the Washington State Noxious Weed Control Board puts out a State Weed List. Weeds are divided into three classes. Class A Weeds are ones which are not yet widespread in Washington but could have serious impacts if they became established. State law requires eradication of all Class A weeds. Class B Weeds are prevalent in some parts of the state and less so in others; control is required in designated areas. Class C Weeds are ones which are already widespread; control is encouraged but not required. However, counties can select Class B or C Weeds and require control within their own county.

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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?