Nov 25th: Last Day for Free Soil Testing

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Free soil testing:  Ends November 25

Garden trowel and soil sample box

Soil testing is the only accurate way to know if you should add lime or nutrients to your lawn or garden.

The NCDA has modified their last day for processing free soil samples. Please drop off soil samples at our office before the end of the day on November 25th to ensure your analysis will be free and not $4 per sample.

Between April 1 and November 25, county residents can drop off completed soil samples to the Chatham County Center, located on the western (left) side of the Chatham County Agriculture and Conference Center, 1192 US 64 W Business, Pittsboro. Find us on Google Maps.

soil boxes and forms: where to pick up

Retrieve boxes and forms from the drawers in the red toolbox. Place completed soil samples in the container on top of the toolbox.

Samples will be delivered to the soil test lab operated by the NC Department of Agriculture – Agronomic Services Division, in Raleigh, at no charge, as follows:

  • Samples will be delivered at the end of each month, typically on or near the last Friday of the month (see schedule below) 
  • Samples dropped off earlier in the month will be held for end-of-the-month delivery.
  • The last delivery in a year will be made on November 26, so please drop off samples by Nov 25th.
  • Samples dropped off on or after Nov. 25th will be held for April delivery.

There is no charge for soil testing most of the year. Between April 1 and November 26, NCDA Agronomic Services processes soil samples at no charge for NC residents. During the peak season, Nov 27 – March 31, there is a $4 per sample fee. We do NOT deliver samples during the peak season.

Individuals can expect to receive their results by email, typically two to three weeks after samples are delivered. You will receive an email confirming your samples have been delivered and letting you know when you should expect your results. Results are also posted online on the Agronomic Services Division’s PALS website.

To collect and submit samples, you will need:

These supplies are available from every county Extension center. Find your local center.

Pick-up and Delivery Schedule

Samples dropped off between: Will be delivered on:
April 1 – April 24, 2024 April 26
April 24 – May 29, 2024 May 31
May 29 – June 26, 2024 June 28
June 26 – July 24, 2024 July 26
July 26 – August 28, 2024 August 30
August 28  – September 25, 2024 September 27
September 25 – October 23, 2024 October 25
October 25 – November 25, 2024 November 26

Tips for collecting good samples:

  • Sample lawn and garden areas every 2-3 years for sandy soils, every 3 – 4 years for clay soils
  • Sample each unique area separately
  • Collect 10-12 random samples from each unique area and blend them together to fill one box
  • Take samples 4” deep for lawns, 4-6” for gardens
  • If soil is wet, allow it to dry before putting in boxes — do not put a plastic bag inside the soil sample box
  • Fill boxes to the red fill line
  • Do not tape boxes shut

See more lawn and garden soil testing tips from the Agronomic Services Division.

Drop off completed samples to Extension’s Chatham County Center by the last Friday of the month. Be sure to include a completed Lawn and Garden Soil Sample Information Sheet with your samples.

Tips for filling in the Lawn and Garden Soil Sample Information Sheet:

  • Enter up to six samples (boxes) on one form
  • You make up the sample ID—this can be letters or numbers and should be something easy for you to remember
  • Select the planting code from page 2 that is the best match for what you are growing.
  • Enter your contact information clearly—especially your email address!

When complete, your results will be sent to you by email (look for a message from AGRONOMIC LIMS), as well as posted online at ncagr.gov/agronomi/pals.

For help reading the soil test results, see this one-page guide or contact your local Extension center. A detailed publication on the soil test report is available, click here to download.

Learn more about soil testing in North Carolina.

If you have questions about soil sampling or gardening, you can speak to a Chatham County Extension Master Gardenersm volunteer during plant clinic hours, To contact a Master Gardenersm volunteer:

  • Visit the Chatham County Center during plant clinic hours
  • Call 919-542-8243
  • Email chathamemgv@gmail.com