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Welcome to Benton-Franklin County Extension

Washington State University Extension of Benton and Franklin Counties connects area residents to the research and knowledge bases of the state’s land grant research university, providing solutions to local problems and stimulating local economies. Our county-based educators work with partners in your communities to provide educational programs and leverage the broad resources of a major university to resolve issues and create a positive future for the residents of Benton and Franklin Counties.

Learn From The Experts

Our local programs include agriculture and natural resources, 4-H youth, gardening and community horticulture, and food safety and preservation. In addition, Washington State University provides a broad range of consumer publications, online educational opportunities, and other statewide educational programs and technical assistance from four research and extension centers and 11 colleges.

County Programs

News & Events

Japanese Beetle picture from Oregon Department of Agriculture

Pest Alert: Report Japanese Beetle Sightings to WSDA

If you have seen Japanese beetle in Washington, please report it immediately to Washington Department of Agriculture. Report sightings on the WSDA website You can also email or call 1-800-443-6684.

Walk the Demo Garden: Focus on Summer Tasks - 2022 Garden Education Series Class

Walk the Demonstration Garden with us! WSU Master Gardener volunteers will discuss what summer tasks we should be focusing on in the garden. Saturday, July 9th at 10:00 am
"Heat Hardy Plants" sunflower wearing sunglasses surrounded by field of sunflowers

Heat Hardy Plants – Garden Education Series Class by Master Gardeners

The summer heat is here! Are your plants (and you) struggling with it? Join us on zoom to learn more about gardening with heat hardy plants. Saturday, August 13th at 10:00 am Class will be held via Zoom. Pre-registration is required to attend. Follow link to register for this online event. Questions? Contact Master Gardener Office: (509) 735-3551
Let us help! Contact our Master Gardeners with all of your gardening questions

Lawn and Garden Questions? We're here to help!

Our Master Gardeners are still here to help with your garden and landscape questions/problems. Call us or stop by with your sample. We will have a Master Gardener contact you as soon as they can. Tuesday – Thursday 9am-4pm (closed for lunch 12pm-1pm) (509) 736-2726 7102 W. Okanogan Place, Suite 102, Kennewick, WA 99336
Free Pressure Gauge Testing. Call 509-735-3551 to schedule your appointment.

FREE pressure canner gauge testing available in our Kennewick office.

It's time to test your pressure gauges! The USDA recommends having pressure canner gauges tested annually. Testing your pressure canner will determine whether it is functioning properly and will help you produce safely preserved food. Call 509-735-3551 to schedule your appointment.
"Preserve Your Harvest" pantry shelves lined with home preserved food in canning jars

Learn to make your harvest stretch further

Whether you grow your own garden goodness or support a local farmers market, you'll need to preserve some of it to make it last. We've got all the resources to help you build a well stocked pantry full of safely preserved food!

Holiday Closures

Our offices will be closed in observance of the following holidays:
  • Independence Day – July 4, 2022
  • Labor Day – September 5, 2022
  • Veteran’s Day – November 11, 2022
  • Thanksgiving – November 24-25, 2022
  • Christmas – December 23 & 26, 2022



Benton County – Kennewick
(Gardening, Horticulture,
Food Preservation, Animal Science)

7102 W. Okanogan Place, Suite 102
Kennewick, WA 99336
(509) 735-3551
Hours: Monday – Friday | 8:00am – 4:00pm

Benton County – Prosser
(Commerical Tree Fruit, Grapes and Small Fruit)

Benton County Courthouse, 1st Floor
620 Market Street
Prosser, WA 99350-1320
(509) 786-5609
Hours: Tuesday – Thursday | 8:30am – 4:30pm

Franklin County – Pasco
(4-H, Family, Forage and Commercial Vegetables) 

404 W. Clark
Pasco, WA 99301
(509) 545-3511
Hours: Monday – Friday | 8:30am – 5:00pm


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