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Johnson County

Research-based Information You Can Trust — Localized for your needs

Johnson County
11811 S. Sunset Drive
Suite 1500
Olathe, KS 66061

Office Hours:

Monday - Friday,
8:30 a.m. - 5 p.m.

(913) 715-7000
(913) 715-7005 fax

Map to our office

K-State Research and Extension is committed to making its services, activities and programs accessible to all participants. Reasonable accommodations for persons with disabilities may be requested by contacting Johnson County Extension at (913)715-7000. Notify staff of accommodation needs as early as possible.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service

K-State Research and Extension is an equal opportunity provider and employer.

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KFL June 2022


Bringing K-State to Johnson County


"In a gentle way, you can shake the world."

                                                              - Mahatma Gandhi

Here at the K-State Johnson County Extension Office, we pledge to serve our community in a variety of ways, from health and nutrition, to agricultural and horticultural needs, money management, and much more. We exist to help others through Kansas State University knowledge and information in order to better serve our communities, specializing in problem-solving, education, and community service.

Since 1917, the Johnson County Extension Office has dedicated our time and resources to ensure that the community of Johnson County continues to grow and thrive.


New and Upcoming


Wonders of Discovery

June 24, 2022 | 9:00 AM - 2:00 PM

The Johnson County Extension Master Naturalists will host a free family-friendly pollinator event in Olathe for National Pollinator Week. All ages welcome!

Location: Pollinator Prairie

Volunteers are All Stars

Volunteers are All Stars Event

June 28, 2022 | 4:00 - 6:00 PM

We would like to thank our wonderful volunteers for stepping up to the plate and pitching in! You truly help us be a winning team. Please join us at the Extension Pavilion as we celebrate our volunteers' hard work. Snacs and drinks will be served.

Location: Johnson County Extension Office Pavilion

Summer Pies

Summer Pies Class

June 30, 2022 | 6:00 - 8:30 PM

Join the Extension Master Food Volunteers as they make mouth-watering summertime pies! Learn the important technique of blind-baking required for making cream pies. A lemon meringue and coconut cream pie will be demonstrated, as well as how to make a summer fresh fruit tart and pop tarts. Fifteen recipes are included. Don't forget your rolling pin for some hand-pie fun!

Location: Johnson County Extension Office

K-State Garden Webinar Series

K-State Webinar Series: Growing Culinary Mushrooms at Home

July 6, 2022 | Noon

Pam Paulson, Reno County Horticulture Extension Agent, will cover some of the most commonly cultivated mushroom species and walk through the steps of how to grow them successfully at home.

Virtual via Zoom

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