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eXtension Horticultural Diagnostics Online - Email Diagnosticians
Ask a Master Gardener Volunteer Online Extension

Master Gardeners are available, through this link, to address residential gardening questions. Keep questions specific and provide as much information as possible.

Click the following link:
Ask eXtension -
Click on the “ASK A NEW QUESTION” box.
Select “Ohio” in the “Find an Expert” box.
In the “Local groups accepting questions” box, click on “Ohio State University Extension Master Gardener Volunteers.”

Fill in the information on the “Ask a Question” page, including pictures when applicable, and you will receive a timely response.

Horticultural Diagnostics Telephone HotLine

Additional Resources and Soil Testing
In addition, you may answer your own questions 24/7 by accessing Fact Sheets and other reports from universities across the country. Search by plant, disease, insect or other relevant terms. Fact Sheets are available from The Ohio State University's Ohioline or from the Plant Facts nationwide database. Use the"Search" window to look up your search terms. Soil test information is available on the OSU Extension FactSheet: Soil Testing for Ohio Lawns, Landscapes, Fruit Crops and Vegetable Gardens.


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This web site is intended to provide timely, relevant and accurate information. Accuracy, however, cannot be guaranteed, and events may be subject to rescheduling or cancellation. For comments, suggestions and corrections, please contact the

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