Johnson County Homepage

A world of 4-H with you in it. Join 4-H!

Let your adventure begin! Explore your interests.

Learn it. Grow it. Teach it. Become a Master Gardener in Johnson County.

Small family farms make up 80% of all farms in Iowa.

2017 ISU Extension and Outreach Annual Report

Iowa State University Extension and Outreach: Johnson County

Johnson County welcomes you to our website!  We are here to serve you through various information and programs.  Take some time to explore our site and learn how ISU Extension programs can "Help You Become Your Best.

2018 Johnson County Stakeholder Report

County News

July 5, 2019

Trainning for stakeholders in sub-surface drainage concepts, planning and laying out drainage systems including surveying a profile, laying out the system, calculating tile line sizes and spacing using actual field data, making connections, and setting up drainage control structures, NRCS program requirements, and fixing common drainage system issues.Tuesday, August 20, 2019 – Thursday, August 22, 2019

June 5, 2019

Iowa State University Extension and Outreach has scheduled a series of farm lease meeting for later in the summer prior to September 1.   

May 21, 2019

Information addressed included planting options and crop insurance policies and considerations.

April 29, 2019

Registration is now available!

April 26, 2019

Brick Orders!

emerald ash borer.

Featured "At Work for Iowa" article

How to Handle Emerald Ash Borer

11 videos: ISU Extension and Outreach specialists share tips for deciding on treatment options for emerald ash borer and protecting ash trees from this invasive pest.  

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