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Welcome to Benton-Franklin County Extension

Learn From The Experts

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

County Programs

Holiday Closures

Benton County offices will be closed:

  • November 22 – 24, 2023
  • December 25 – 29, 2023
  • January 1, 2024

Franklin County office will be closed:

  • November 23 – 24, 2023
  • December 25 – 26, 2023
  • January 1, 2024


News & Events

Holiday food safety tips

Holiday Food Safety

Celebrate safely this holiday season with these food safety tips from our Food & Nutrition Specialist, Lizann Powers Hammond.
Master Gardener video brought to you by our community partner, McCurley Subaru.

Benton Franklin Master Gardeners Earn International Award

Our amazing WSU Master Gardeners of Benton & Franklin Counties earned first place in the David Gibby Search for Excellence Award in Youth Programming for their work “Washington Working with Incarcerated Youth: Growing and Giving Back to the Community” Watch the video explaining this exceptional program.
Master Gardener Program 50 Year Anniversary Celebration, 1973 - 2023

50 years of service to our communities

It all began at Washington State University A grassroots, sociologic movement that started at Washington State University in 1973 and was emulated across the United States and into Canada and South Korea, the Master Gardener Program is WSU Extension’s flagship volunteer program. Learn more about the history of the WSU Extension Master Gardener Program.


We have Regional Extension Specialists and staff in three locations throughout Benton and Franklin counties.

Benton County

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

Specializing in:

  • Gardening & Master Gardeners
  • Food Preservation & Master Food Preservers
  • Animal Science

Benton County

620 Market Street
Prosser, WA 99350-1320
(509) 786-5609
Open Tuesday – Thursday
8:30am – 4:30pm

Specializing in:

  • Commercial Tree Fruit
  • Sprayer Technology
  • Grapes
  • Small Fruit

Franklin County

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

Specializing in:

  • 4-H
  • Family
  • Forage
  • Commercial Vegetables

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