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1. What constitutes a noxious weed?

A weed that's considered a noxious weed is out of place or detrimental to agricultural production and declared noxious by state legislative action.

2. What are the criteria to determine whether a weed is noxious?

A weed can be considered noxious if the economic return does not exceed the cost of treatment, it is poisonous to livestock or humans, its spread is uncontrolled and it is a perennial plant.

3. What weeds are declared noxious in Pottawatomie County?

These weeds have been declared noxious in Pottawatomie County: bindweed, bur ragweed, Canada thistle, hoary cress, Johnson grass, kudzu, leafy spurge, musk thistle, pignut, quackgrass, Russian knapweed, sericea lespedezia.

4. Which noxious weeds are known to be present in Pottawatomie County?

Bindweed, Johnson grass, leafy spurge, musk thistle and sericea lespedezia are known to be present in Pottawatomie County.

5. How do noxious weeds spread to Kansas?

All but 2 of the noxious weeds are plants brought in from other countries. They have no natural enemies to check their spread. Pignut and Bur ragweed are native to Kansas.