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.

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.

County News

October 21, 2016

The fall season brings with it a lot of yard waste and debris. What should be done with it? Try starting a compost pile, which can then be used to enhance soil, garden and plant growth. What are the keys to a great compost pile?

September 23, 2016

Helpful Information when dealing with flooding.

September 20, 2016

Thank you for your interest in the Big Brothers Big Sisters of Johnson County Executive Director position. BBBSJC is a program of Johnson County Extension. Application Deadline: 5:00 p.m., Friday, October 14, 2016.

March 4, 2016

Emerald ash borer, a tree-killing pest of ash trees, has been confirmed in Iowa City.

February 25, 2016

A comprehensive educational program for the nonprofit sector.

Featured "At Work for Iowa" article

Our Story: Gardening for Food Pantries

Start with an idea: grow fresh produce for donation to food pantries. Mix together ISU Extension and Outreach nutrition education, Master Gardeners and ISU Research and Demonstration Farms. The goal: More than 10,000 pounds of food for Iowans in need.

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Iowa State University Extension and Outreach News

October 20, 2016 12:16 PM

The Iowa State University Veterinary Diagnostic Laboratory (VDL) has received several questions from southwest Iowa producers about corn...

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