CAHNRS > Hortsense > Hi Alert Invasive Plants

Hi Alert Invasive Plants

Overview

The plants listed here are of special interest. They may be listed on the Washington State Class Noxious Weed with specific control measures required or they may be considered a host for Hi Alert Invasive Insects.

Classes of Noxious Weeds in Washington State

A

Class A noxious weeds are non-native species whose distribution in Washington State is still limited.

B

Class B noxious weeds are nonnative species whose distribution is limited to portions of Washington State.

C

Class C noxious weeds are widespread in Washington or are of special interest to the agricultural industry.

Search the Washington State Noxious Weed Control Board site

List coming soon


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