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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Suite 1000, Portland, OR 97204

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

Invasive Plants Poster

A poster identifying common invasive plants with tips to control them

Heartbleed Security Notice

A serious security vulnerability known as "Heartbleed" was recently discovered in OpenSSL, a popular software library commonly used by many websites on the internet to encrypt communication between a user's computer and a web server. is NOT affected by this vulnerability as it does not use the OpenSSL software library. Please rest assured we are dedicated to protecting your security on this website.