Union County Office

18000 State Route 4, Suite E
Marysville, OH 43040

Hours of Operation

Monday - Thursday
8:00 a.m. - 4:30 p.m.
4-H Open House is January 25 from 10 am - Noon in the Buckeye Room

Union County Extension

County News

  1. Ribbon and 4-H Clover

    4-H Enrollment Information for 2020

    There are no changes in the enrollment process for 2020.  Please login to oh.4HOnline.com to enroll yourself for 2020. For complete re-enrollment instructions go to
  2. Farmer Spraying a Field

    Agricultural Pesticide & Fertilizer Applications to be Held

    Some farmers purchase and use restricted use pesticide products on their growing crops to control weeds and insects. To purchase restricted use pesticides farmers must be trained and licensed in proper application methods.
  3. Soybean Field

    2020 Grain Outlook Breakfast

    Extension in Union, Champaign, and Madison Counties is hosting a Grain Outlook Breakfast at the Der Dutchman Restaurant, 445 South Jefferson Avenue in Plain City on January 31 from 8:00-Noon. The cost (which includes breakfast) to attend is $15 and $20 after deadline. Reservations deadline is ...