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Invasive Plant Rules in Benton County, OR (2026)

1 rule for unincorporated Benton County, Oregon.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Benton County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Prohibited Species

Benton County bans removing vegetation from riparian areas and Systems-Critical Wetlands under BCC 88.320(1), but carves out a specific exception for non-native, invasive, and noxious species identified on the Oregon Department of Agriculture's Weed Policy and Classification System, including weeds rated A, B, or T. Removed invasive vegetation must be re-vegetated with species from the City of Corvallis Native Plant List.

Removing Invasive Riparian Plants in Benton County

Some Restrictions

Benton County Code § 88.320(1)(d)

(1)Removal or alteration of vegetation from Riparian Areas, and from Systems-Critical Wetlands and associated 25-foot buffers, is prohibited except for the following purposes: ... (d)Removal of non-native, invasive, and/or noxious vegetation, as identified in the Oregon Department of Agriculture's Oregon Weed Policy and Classification System (Appendix 1), including weeds designated as "A", "B",...

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