505 North Columbia River Highway
St Helens, OR 97051
United States

Office hours

Monday - Friday: 8:00 am-5:00 pm
Currently open!

Office fax


Columbia County Extension

News & Announcements

2019 Columbia County Master Gardener training enrollment is open!

Registration is ongoing for the 2019 Master Gardener Training: classes begin in St. Helens on 2/4/19. Read more...

2019 Summer 4-H Wildlife Stewards Camp Registration Open

We are now taking applications for our 2019 4-H Summer Wildlife Stewards Camp. This popular camp fills fast so sign up early! Our camp dates for 2019 are July 30-August 3, 2019. Read more...


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 two newsletters from our office:

  • Country Living (gardening and farming topics)
  • Tall Timber Topics (forestry/wood lots)

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

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

Upcoming Events

January 2019

Jan 17
Feb 28

Preserve @ Home - An Online Hybrid Course

12:00 am - 12:00 am Online, OR
Jan 26

Beginning Beekeeping Workshop

9:00 am - 3:00 pm St Helens, OR
Jan 28
Jan 29

February 2019

Feb 26

March 2019

Mar 3
Mar 8
Mar 12
Mar 21

Basic Woodland Management Shortcourse

6:00 pm - 8:30 pm St Helens, OR
Mar 19
Mar 20

July 2019

Jul 30
Aug 3

4-H Wildlife Stewards Summer Camp

9:30 am - 12:00 pm Salem, OR
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Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

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