Soil, Plant and Pest Center

The Soil, Plant & Pest Center provides soil testing, plant and pest diagnostics, and forage analysis for homeowners, producers, businesses, and land managers across Tennessee, delivering practical research-based recommendations that support informed decisions, productive operations, and healthy landscapes.

The Customer Portal will be unavailable on Tuesday, August 4.

The new Customer Portal will be available on Wednesday, August 5.

Soil testing options
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Plant Diagnostics
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Leaf
Plant tissue nutrient analysis
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Forage analysis
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For general agriculture or horticulture questions, contact your county Extension office.

Open Monday through Friday

8:00 am to 4:30 pm.


After hours sample drop-off available.

Front door to vestibule is unlocked.


Samples received after 3:30 pm, will start processing the following business day.


Explore our 2025 Annual Report to see how laboratory testing and diagnostic services supported Tennesseans