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Welcome to Benton-Franklin County Extension

Pickles being preserved.

Food Preservation

Smiling Happy girl friends in the park with colorful shirts

4-H program

Extending Knowledge.  Changing Lives.

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

Contact Us

We are a bi-county Extension with three offices to serve you.  Our programs/specialists are split between these three offices but serve both counties in their specific topic.

Benton County – Kennewick
(Gardening, Horticulture, Food Preservation, Animal Science)       
7102 W. Okanogan Place, Suite 102
Kennewick, WA 99336
(509) 735-3551 | Email us
Hours: Monday – Friday | 8:00am – 4:00pm


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

1121 Dudley Ave
Prosser, WA 99350-1320
(509) 786-5609 | Email us
Hours: Monday – Thursday | 9am – 3:00pm


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

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

Popular Resources

Plant Samples & Soil/Water Testing Garden Fact Sheets Garden Pest & Disease Help
Mon 19
Wed 28

WA Small Fruit Conference – Prosser live broadcast

November 28 @ 7:00 am - November 30 @ 5:00 pm
Dec 28

2019 Master Gardener Application Deadline

December 28 @ 8:00 am - 4:00 pm

Local News

Regional News

Read the latest regional CAHNRS News (link)

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