Everett, WA Invasive Plant Rules: Prohibited Species (2026)

35's Type I through IV categories, not to ordinary existing residential yards outside that review. Subsection D covers plant materials generally: all stock must meet the current American Standards for Nursery Stock, the city keeps a recommended tree list, and Pacific Northwest native species are required on lots adjacent to critical areas and buffers. 3 is the invasive-species rule: any plant on Snohomish County's noxious weed lists, Classes A, B and C, is prohibited in required landscaping and must be eradicated or controlled if it shows up later, and the code separately names English ivy cultivars 'Baltica,' 'California,' 'Pittsburgh,' and Star, along with Atlantic ivy and Scotch broom, as species that cannot be planted regardless of classification.

That eradication duty is ongoing: unlike a one-time planting check, it applies whenever one of these species is found present in a required landscaped area, not only at installation. 190 modification process if the design quality is equal or better, but it carves out no such path for the Class A, B or C noxious weeds or the named ivy and broom species. 4 cross-references the city's separate stormwater regulations for plantings inside stormwater facilities, which can affect species choice near those areas as well.