Skip to Main Content View Text-Only

To improve security, on Feb. 11th the city will begin disabling TLS 1.0 on our websites. This change should not impact you unless you are using an old browser. More information


Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204

More Contact Info

About Invasive Plants

Portland Plant List (Native and Nuisance)

A detailed description of Portland's planting requirements in environmentally sensitive areas (as defined by code)

Your Role in Invasive Plant Control

How you can help stop the spread of invasive plants