Washington County Extension

1815 NW 169th Place
Suite 1000
Beaverton, OR 97006
United States

Office hours

Monday - Friday: 8:00 am-5:00 pm
Currently closed

Office fax


Office: 503-821-1150
Nutrition Education Support: 503-821-1122

Washington County Extension


Phone: 503-821-1150, Option 2

Email:  mastergardener.wc@oregonstate.edu



News & Announcements

Food Preservation Hotline Open for the Season

The OSU Extension Service Food Safety & Preservation Hotline is open July 16 thru October 12, 2018 (M-F, 9am-4pm). Call 1-800-354-7319 (toll-free) Read More...

Extension Service provides information and expertise across communities to inspire youth and adults to be lifelong learners, encourage a culture of healthy people and environments, and to collaborate with community partners and agencies to address real-world problems in Washington County. 


A DROP BOX is located by our front door for after hours deliveries.

Upcoming Events

Forest Thinning Tour (RESCHEDULED)


Tue, Sep 25, 4:00 pm - 6:00 pm
A tour for woodland owners to learn about commercial thinning of plantation Douglas-fir. Rescheduled from Sept. 6th due to operator logistics.

Latest Research on GMO's and Herbicides-WCMGA Chapter Speakers*

Metro area Master Gardener Event

Tue, Oct 2, 6:50 pm - 7:50 pm
Join OSU Associate Professor, Staff Chair and Extension Horticulturalist in Agriculture, Chip Bubl to learn about the latest research on GMO's and herbicides.

* asterisk indicates MG education credit

4-H Record Book Evaluation Days

Clackamas County 4-H Event

Sat, Oct 6, 2018 - Wed, Oct 10, 2018 (All Day)
Fall is in the air, and that means it’s time again for 4-H record books. We expect over 300 record books to be turned in by Metro area 4-H members. We need your help in evaluating the record books – we can’t do it without YOU!

Clackamas County 4-H Tack and Bake Sales

Clackamas County 4-H Event

Sat, Oct 20, 8:00 am - 2:00 pm
Support Clackamas County 4-H at the biannual sales at the Clackamas County Fair and Event Center in Canby. The Tack Sale features hundreds of vendors with new and used items for your barn and home. The Bake Sale has delicious items to take home. SERVICE animals ONLY.

Forest Management Plan Drop-in Help Session


Tue, Oct 23, 1:00 pm - 5:00 pm
Come in to get one-on-one help with your forest management plan.

Fascinating Plants Across the Globe- WCMGA Chapter Speakers

Metro area Master Gardener Event

Tue, Nov 6, 6:50 pm - 7:50 pm
Seth Menser was Horticulture Supervisor at the San Diego Zoo, and will give a presentation on the various projects he worked on, highlighting in photography some of the incredible plants he has seen along the way. The countries covered in this presentation include Australia, the Bahamas, Costa Rica, France, New Caledonia, and New Zealand.

Mason Bee Cocoon Cleaning- In the Garden Series

Metro area Master Gardener Event

Sat, Dec 1, 10:00 am - 12:00 pm
This presentation by OSU Master Gardener, Ron Spendal is a hands-on workshop showing how to extract, clean, and store mason bee cocoons.

Small Wood Lots-WCMGA Chapter Speakers*

Metro area Master Gardener Event

Tue, Dec 4, 6:50 pm - 7:50 pm
Join Neil Schroder to learn about small wood lots.

* asterisk indicates MG education credit

WCMGA Plant Sale

Metro area Master Gardener Event

Sun, Apr 28, 8:30 am - 2:30 pm
Hundreds of annuals, perennials, herbs, shrubs, and more! We will have a Master Gardener table, so bring your garden questions! Master gardeners also will be available to describe the plants and help with plant selection and care.
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