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Welcome to Oregon Tilth

Homepage for the Oregon Tilth website.

Oregon Tilth is a nonprofit research and education membership organization dedicated to biologically sound and socially equitable agriculture. Oregon Tilth offers educational events throughout the state of Oregon, and provides organic certification services to organic growers, processors, and handlers internationally.

Sign up for Organic Land Care Accreditation!

Read the latest edition of In Good Tilth magazine here.


Comcast spotlights Oregon Tilth's Executive Director, Chris Schreiner. Learn more about Tilth's mission and how organic agriculture is here to stay.

Education and Research

Oregon Tilth launched the Transitioning Farmer Network to help growers shift to organic production. Space still available!


In 2004, Brian Severson Farms started the transition to organic production with just 20 acres. Today, their farm currently has 150 acres certified organic by Oregon Tilth.
If You’ve Eaten an Organic Apple This Week, Thank Rachel Carson

If You’ve Eaten an Organic Apple This Week, Thank Rachel Carson

Apr 21, 2014 07:47 AM

Carson’s book about agrochemicals launched the modern environmental movement, but the work she started in Silent Spring is far from finished.

Organic Fire Blight Prevention Project

Organic Fire Blight Prevention Project

Apr 04, 2014 09:46 AM

The Organic Center has completed a project providing critically needed information on how to prevent fire blight from decimating apple and pear orchards without the use of antibiotics.

Organic solutions prove effective in livestock

Organic solutions prove effective in livestock

Apr 01, 2014 09:44 AM

A new study found that organic medicinal treatments for livestock can be just as effective as conventional treatments. Researchers at North Carolina State University compared herbal treatments for infections such as mastitis with conventional antibiotics.

Partner Spotlight

Besaw’s strives to support local, organic and sustainable farmers; limited availability of some produce may apply. We exclusively use local, grass-fed beef, local cage-free eggs and 100% hormone-free dairy products. Supporting our valued community is of the utmost importance.

All Partners ›
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