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Welcome to Benton-Franklin County Extension

Upcoming Events

Holiday Office Closures
December 24-25 — Offices closed
December 26-27 — Limited Staffing
January 1, 2019 — Offices closed

(Prosser office will be closed December 24 – January 1)

2019 Master Gardener Application Deadline


2019 Master Gardener application deadline is December 28, 2018!

To find out more information or apply go to our Master Gardener page.


Become a Master Garden Flyer

Blueberry Pruning Workshop – Prosser & Lynden, WA


Blueberry pruning workshop with Dr. Bernadine Strik, Professor of Horticulture, Oregon State University

  • February 8, 2019 – Lynden WA
  • February 11, 2019 – Prosser, WA

Description. This free event held in the morning will entail a presentation on the rationale and fundamentals of highbush blueberry pruning. The presentation will be followed by in-field demonstrations in cooperating grower fields. Further details will follow.



Washington State University Extension logo.

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.

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

7102 W. Okanogan Place, Suite 102
Kennewick, WA 99336
(509) 735-3551
Hours: Monday – Friday | 8am – 4pm
Benton County – Prosser  
(Commerical Tree Fruit, Grapes and Small Fruit)

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