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The City of Portland, Oregon

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

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Early Detection, Rapid Response

Portland's Early Detection/Rapid Response (EDRR) Program focuses on controlling invasive plant infestations while their distribution is limited and patches are small. This approach increases the possibility of eradication and is much less expensive than trying to control well-established invasive species.


Containment Species

The city and its partners are mapping these species and managing them in limited circumstances

Watch Species

The city and its partners are concerned about these species, and encourage landowners to avoid planting them or to manage them carefully