![]() ![]() The King County Noxious Weed Control Board encourages property owners to remove butterfly bush where possible and to avoid introducing it to new landscapes. ![]() Butterfly bush is on the state quarantine list, and it is illegal to buy, sell or offer this plant for sale in Washington.įor more information see Noxious Weed Lists and Laws or visit the website of the Washington State Noxious Weed Control Board. Control of butterfly bush in King County is recommended but not required. It is on the Non-Regulated Noxious Weed List for King County, Washington. Butterfly bush can now be found commonly along riversides and roads and in cleared forests throughout western Washington and Oregon, at times significantly impacting riparian habitat and riverside conditions and impeding forest regeneration.īutterfly bush is a Class B noxious weed on the Washington State Noxious Weed List. Unfortunately, this popular garden plant is also highly invasive and spreads profusely by seed into disturbed and natural areas. ![]() Butterfly bush is an introduced shrub from China that has been widely planted as an ornamental and butterfly plant throughout North America. ![]()
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