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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.
2019 Johnson County Stakeholder Report

The Johnson County Extension & Outreach office is open to the public M-F, 8am- 5pm.

We ask that you help keep our staff and patrons safe by please using hand sanitizer, sign-in upon arrival and please wear a face mask when entering the office space. We take serving Iowans seriously, which is why we are prioritizing the health and safety of our community and staff. If you have had any flu-like symptoms, fever, congestion or have traveled outside the county in recent days, please do not enter. Instead, call our office at 319-337-2145. Thank you for your efforts to keep everyone safe!


Commercial and Private Pesticide Applicators:

*NEW for Fall 2020
Pre-registration is REQUIRED.
Call the office to register: 319-337-2145
CIC Program Showing Date
Commercial Ag 11/18/20-9AM
Seed Treatment TBD
Ornamental & Turfgrass 11/4/20-9AM FULL-Contact office for Wait list & Reshow Dates
Certified Handlers TBD
Aerial TBD
Roadside, Forest & Aquatic

10/21/20-9AM  FULL-Contact office for Wait list & Reshow Dates

Mosquito/Public Health 10/28/20-9AM
Fumigation 11/17/20-9AM
Pest Control Operators 12/2/20-9AM
Greenhouse TBD
*There is a limit of 25 spaces per showing. Registrations will be taken in the order received. Additional dates will be determined only as a wait list forms and is not guaranteed.*

Updates & Information for Commercial and Private Pesticide Applicators of Johnson County


Derecho Storm Damage Resources   |   Drought Resources


4-H Newsletter - 4-H Events - 4-H Club Financial Management 

Johnson County Master Gardeners Hortline -  Become a Master Gardener 

Big Brothers Big Sisters of Johnson County

ServSafe: Certified Food Protection Manager course 

Ag Newsletter

Soil Testing Information


Click here to subscribe to current Johnson County Extension information!

* Don't Forget to Click on the More County News button below for additional great events.

County News

October 20, 2020

The non-profit Rural Health and Safety of Eastern Iowa and Mercy Hospital of Iowa City are teaming up to offer free COVID 19 testing in Johnson and Washington County communities.

September 11, 2020

Iowa State University (ISU) Extension and Outreach will offer several online trainings for child care providers this fall. The cost is $5 per training and all child care providers in the home daycare, community daycare and pre-school settings are welcome to attend. All trainings are approved by the Iowa Department of Human Services (DHS) for 2 hours of credit. 

August 20, 2020

Powerful Tools for Caregivers is a class designed to provide you—the family caregiver—with the skills you need to take care of yourself. Zoom sessions will be on Mondays (1-3PM) from Oct. 5th through Nov. 9th.

Damaged Grain Bin
August 13, 2020

When steel grain bins sustain wind damage, careful inspection is needed to evaluate repair or replacement options. Inspection assistance and advice from a consulting engineer or bin manufacturer representative is the best option.

October 6, 2020

To equip all types of helping professionals with tools to address financial issues, ISU Extension and Outreach is offering a four-hour online training (two 2-hour sessions) called “Your Money, Your Goals.” 


woodworking for wildlife.

Featured "At Work for Iowa" article

How to build homes for wildlife

4 videos: Adam Janke, ISU Extension and Outreach wildlife specialist, shows how you can build an Aldo Leopold bench, a bat box, a bird box and a wood duck box. (Then you can sit on your new bench to watch the bats, birds and ducks at their new homes!)

Read More

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