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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

Garden Design and Plant Selection Resources

Backyard Habitats Certification Program

Three Rivers Land Conservancy

Backyard Habitat Certification Program

Audubon Society of Portland

Clean Water Services: Native Plant Finder

Select native plant species based on your soil type, sun exposure and water levels

Friends of Trees: Tree Resources

Information on selecting, planting and maintaining trees


Features information on naturescaping, including local workshops

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.