Hermiston Agriculture Research and Extension Center

Oregon State University Extension is the go-to resource for the expertise and knowledge every Oregonian needs to live healthy lives, nurture our great state’s ecosystems, and play a vital role in Oregon’s vibrant communities.

We’re partnering with people in every county and helping them thrive every day — just as we have done for more than 100 years.

Announcements

Extension Service closed on November 11

The Extension Service will be closed Tuesday, November 11, 2025 for the Veteran's Day holiday. Read more...

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Contact us

HAREC 541-567-8321
HAREC 541-567-6337
Umatilla County Extension 541-567-9306

Address

OSU Hermiston Agriculture Research and Extension Center

2121 S First Street
Hermiston, OR 97838
United States

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Upcoming events

We’re active across the state delivering our workshops to you. See events that may interest you.

What We Do

Plant Pathology Diagnostic Laboratory Services

The Plant Pathology Laboratory on the Hermiston Agricultural Research and Extension Center is dedicated to providing plant disease diagnostic services to the agricultural industry of the Columbia River Basin and to greater Oregon.

Kenneth Frost | Project

News and impact

Elliott named vice provost for OSU Division of Extension and Engagement, director of Extension Service

Over the last year, Elliott has worked to align OSU Extension resources with state and county priorities and strengthen collaboration of leaders and units across OSU in addressing those priorities.

Chris Branam | Mar 25, 2025 | News story

AgriStress Helpline now serves Oregon agriculture and forestry communities

Call or text 833-897-2474 any time; the voice line supports up to 160 languages.

Chris Branam | Sep 8, 2023 | News story

OSU Extension Service