What are the opening hours?

Monday 9am - 4pm Tuesday 9am - 4pm Wednesday 9am - 4pm Thursday 9am - 4pm Friday 9am - 4pm

WSU Walla Walla County Extension

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WSU Walla Walla County Extension

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Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from WSU Walla Walla County Extension, Youth Organization, 328 W Poplar, Walla Walla, WA.

10/28/2026

Rainforest or sagebrush steppe? Washington has both, and your garden depends on which one you live in.

In the latest Evergreen Thumb episode, we walk through eight Washington regions using the EPA’s Level III ecoregions and talk about what each one means for your garden.

Listen on your favorite podcast app or on our website at https://buff.ly/MkdKI5y.

10/26/2026

Fall has arrived to the Walla Walla Valley which means it's time to get our perennials ready for winter. Most perennials fall into 1 of 3 categories: remove all growth, remove only flower stalks, or don't remove anything! (Though there are some plants with other recommendations.)

But which is which? Click through the images below to see what's recommended for the perennials in your yard.

Don't see one listed? Comment and we'll get back to you with the recommendation!

10/14/2026

Stock up on vampire repellent! The WSU Walla Walla County Extension Office has FREE seed garlic for home gardeners until October 30, while supplies last. October is a great time to plant garlic for spring harvest. Stop by 328 W Poplar during regular office hours, 8-4 and pick up some free seed garlic!

10/14/2026

Confirmed sighting of Emerald Ash Borer in Walla Walla County. What you need to know: https://agr.wa.gov/about-wsda/news-and-media-relations/news-releases?article=47423&utm_medium=email&utm_source=govdelivery

10/06/2026

Come to our OPEN HOUSE!
More info: https://www.facebook.com/share/1BoRWHyira/

10/04/2026

Join us for our Open House: Saturday, October 10 from 1:00 to 4:00

We'll have activity stations for the kids. Plus presentations on fall cleanup, local wild bees, canning, and more!

More info here: https://www.facebook.com/share/1Dk66EGiL3/

10/01/2026

And come pick up some seed garlic at our Open House on October 10 from 1-4!

New episode of The Evergreen Thumb is live! Episode 82: How to Grow Thriving Garlic in the Pacific Northwest

Host Erin Hoover covers hardneck vs. softneck varieties, site selection, planting timing, and spacing. She also walks through scape removal, when to stop watering before harvest, and how to cure garlic so it stores well through winter. Plus tips on avoiding common pests and diseases.

If you're planning to plant garlic this fall, this episode has the details you need.

🎧 Listen now on your favorite podcast app or on our website at https://buff.ly/1xHRcNc

06/25/2026

The USDA recommends getting your canning gauge checked every year! Before you start canning your low-acid foods this year, bring your canning lid into the WSU Walla Walla County Extension Office at 328 W Poplar, so we can check your gauge for free!

06/24/2026

ant to help pollinators? Swipe →🌼🐝

Wondering how to pick the right plants for your space? What makes a good nesting site? How to manage issues without pesticides? The Bring Back the Pollinators program has you covered with guides, videos, free events, and more!

Find everything you need to get started ➡️ bringbackthepollinators.org

Address

328 W Poplar
Walla Walla, WA
99362

Opening Hours

Monday	9am - 4pm
Tuesday	9am - 4pm
Wednesday	9am - 4pm
Thursday	9am - 4pm
Friday	9am - 4pm

Telephone

+15095242685

Website

http://Extension.wsu.edu/wallawalla/

Alerts

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