Soil, Plant and Pest Center

We will be closed on Friday, April 15.

You can drop off samples in the atrium after hours and on weekends.

Lab Contact ​


Lobby hours 8:00 to 4:30 central time

General questions

(agriculture or horticulture)

Please first try contacting your local county Extension office​ 

University Holiday Schedule​

Soil analysis
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Plant disease & insect ID
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Pay online here
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Plant tissue nutrient analysis
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Forage analysis
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Frequent questions and Helpful resources
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Your gift to the Soil, Plant and Pest Center allows us to continue to provide science-based resources to solve plant health problems in Tennessee. Please visit the University of Tennessee Institute of Agriculture giving website to make a tax-deductible donation to the Soil, Plant and Pest Center. We appreciate your support!