Oklahoma County Cooperative Extension Service


The Oklahoma County Cooperative Extension Service is dedicated to bringing you the latest research-based information for your lawn, garden, landscape and other horticulture concerns. 

 The Horticulture Department at the Oklahoma County OSU Cooperative Extension Service offers the following:

* Master Gardener Helpline For answers to any of your horticulture questions, call 405-713-1125, Monday-Friday from 8 a.m. to 4:15 p.m. and ask to speak to a Master Gardener.  You can also email us at

*Catch our "Growing Oklahoma"Segments every Wednesday on Fox 25's Living Oklahoma

*Watch your local publications for pertinent information

"ALL THINGS GREEN" Podcast: www.allthingsgreen.podbean.come-

* Visit us for one-on-one help in a variety of areas, including gardening, tree planting, plant selection, pest control and home pesticide use.

* Gardening and landscape workshops check out the event list 

* Soil, water and forage testing

* Providing free and direct access to Oklahoma State University's Plant Disease and Insect Diagnostic Laboratory services


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Oklahoma County Events