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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.

Mary Matthew

Extension Master Gardener Coordinator


Area of Specialization:

Extension Master Gardener


Mary was born and raised in Olathe.  Mary taught elementary and middle school along with being an instructional coach and district level administrator for the Olathe School district for 34 years. After retiring, she joined the University of Kansas and led the development and implementation of the state assessment for K-12 students in Kansas. After 6 years at KU, she really retired and joined the 2022 EMG Class, which led her to her role as the EMG Program Coordinator. As a K-State alumni she is excited to wear her K-State purple once again and serve as the coordinator for the EMG program.



B.S. in Education, Kansas State University

MS in Educational Administration, University of Kansas