The Extension Service is here to serve the residents of Columbia County, providing knowledge from universities nationwide. We provide research-based information to families, youths, schools, agricultural producers, home gardeners, foresters and governments.

Our office offers a variety of programs, which include 4-H Youth Development, Home Gardening, Agriculture and Small Farms, Family and Community Health, Forestry & Natural Resources and Master Gardeners.


We publish three newsletters from our office:

If you would like to receive these newsletters by email or mail, please give the office a call.


News Items:

Oregon Master Naturalist Online and Field Courses

The Oregon Master Naturalist Program is an incredible opportunity to cultivate and hone your naturalist and outdoor interpretation skills. Whether you’re a volunteer interpreter or steward in a natural area, a professional outdoor guide, a college student looking for an out-of-classroom experience, or simply an interested citizen, this course can offer you a chance to grow. The program has two parts: (1) an online course and (2) an ecoregion course. The online course equips you with a broad knowledge of several aspects of Oregon’s environment- natural history, geology, wildlife and plant ecology, river processes and hydrology, and the diversity of ecoregions across the state. The ecoregion course is a series of field-based classes in an ecoregion of interest (e.g. Willamette Valley, Oregon Coast, Basin and Range, or East Cascades) with expert instructors who will give you a guided introduction into various naturalist skills such as wildlife tracking, plant identification, and interpretation of a variety of landscapes.

Please visit the OMNP website to learn more about the program, online course, or ecoregion offerings.  You may also contact the OMNP coordinator for the North Willamette Valley, Brandy Saffell, by email or by calling (503) 397-3462.

Future Ecoregion Course Offerings- The Willamette Valley course is on hiatus for 2017, but there will be a series of workshops throughout the year focused on a variety of naturalist topics. Contact Brandy Saffell (contact information above) if you are interested in joining the mailing list for these workshops. For other ecoregion courses, keep an eye on the OMNP website for updated dates and registration information.






Hours of Operation
8 a.m. to 5 p.m.

Closed Fridays from Noon to 1 p.m.


OSU Columbia County Extension

505 N. Columbia River Hwy

St. Helens, OR 97051

PH: 503-397-3462

FAX: 503-397-3467

For information on public transportation, visit the Columbia County Rider website.


We offer classes, workshops, opportunities for youth and adult volunteer activities:

Volunteer as a Master Gardener, Master Woodland Manager, or with the 4-H youth program

Nutrition education events

Home Garden educational events


Columbia County General State/County Resources

Study sheds light on canine social interactions with humans
A dipstick reveals the presence of the disease within minutes
Bullfrogs are implicated in the decline of many native species
Oregon's Agricultural Progress
The research magazine for Oregon State University Agricultural Experiment Station
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Ask an Expert
Addressing real-life questions with research-based answers... Ask an Expert at Oregon State University.
OSU Extension Catalog
The Catalog is the source for current, peer-reviewed, research-based learning materials published by OSU Extension.
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