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Noxious weeds are non-native plants that have been
introduced to
Washington from other parts of the world. Because of their aggressive
growth and lack of natural enemies in the state, these species
can be highly destructive, competitive, or difficult to
control. These exotic species can reduce crop yields,
destroy native plant and animal habitat, damage recreational
opportunities, clog waterways, lower land values, create
erosion problems and
fire hazards, and poison humans and livestock.
In Washington State, "noxious weed" is a legally defined
term. The Washington State Noxious Weed Control Board determines
which plants are placed on the Washington State Noxious Weed List
(WAC 16-750). These plants are non-native, aggressive and invasive,
but with the potential to be eradicated or controlled in the state.
For example, Himalayan blackberry and dandelion are both non-native,
invasive plants. However, they are so widespread, they will never
be eradicated or adequately controlled within the state. Therefore
neither of these plants is on the noxious weed list.
The Washington State Noxious Weed Control Board
adopts a State Noxious Weed List each year (WAC 16-750)
. The list categorizes
weeds into three major classes: A,
B, and C according to the seriousness of the threat they
pose to the state or a region of the state. The Whatcom County
Noxious Weed Control Board then holds a public hearing to adopt
the county list.
The Whatcom County Noxious Weed List is made up of all Class A
weeds, Class B-designates, and any selections by the County Board
from the Class B or Class C weed list. Any Class A or Class B-designates
on the Washington State List are mandatory for adoption and control
at the county level.
| Samish Way before removal of smooth
hawkweed: |
Samish Way after removal of smooth
hawkweed: |
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