Soil Testing Service

The University of Rhode Island Master Gardeners conduct free soil testing. These tests help determine your soil pH levels and texture. The URI Master Gardener volunteers also provide basic information and recommendations for gradual correction of your soil problems. This service is provided for free and is available at various locations around the state during growing season.
The University of Rhode Island Master Gardeners conduct free soil testing. These tests help determine your soil pH levels and texture. The URI Master Gardener volunteers also provide basic information and recommendations for gradual correction of your soil problems. This service is provided for free and is available at various locations around the state during growing season.

Sampling Instructions

If you would like your soil tested please bring in soil samples (limit of 3 at a time) taken 4-5″ deep from various parts of a bed or lawn. You will want to collect the samples of soil at the plant or lawn root zone (around 6″ deep). You should be gathering about a 1/2 cup amount from several sites within the same area to be tested. Mix them together, allow the soil to dry overnight on newspaper. Next, place 1 cup of the mix in a paper bag or clean container and label it. Collect separate samples from different areas on your property such as vegetable gardens, lawns and flower gardens. Bring all the samples to the soil testing location as listed below under “Soil Testing Dates”.

Soil Nutrient Analysis

Complete soil analysis is available through the University of Connecticut Soil Lab and the University of Massachusetts Soil & Plant Nutrient Testing Laboratory for a nominal fee. It is suggested to test soil every few years, and is particularly important when installing new garden beds or in established gardens that are not performing well.  These tests determine:
1. Nutrient levels and fertilizer recommendations;
2. Elevated lead levels or other toxic heavy metals; and
3. Proper soil amendments to avoid pollution of local waterways.

Soil Testing Events

Recurring Events
DATETIMELOCATION
Monday - Thursday
April - October
9:30AM - 1:30PMURI Mallon Center
Gardening and Environmental Hotline
3 East Alumni Ave., Kingston RI 02881
Sundays
September 9, 23
9:30AM - 12PMPrescott Farm
2009 West Main Rd., Middletown RI 02842
Sundays
June 17
July 15
August 19
9AM - 12PMRI Veterans Home
480 Metacom Ave., Bristol RI 02809
Saturdays
June 9, 23
July 14, 28
August 11, 25
9AM - 12PMWilcox Park
44 Broad St., Westerly RI 02891
Saturdays
June 16
July 21
August 18
9AM - 12PMCumberland Monastery
1464 Diamond Hill Rd., Cumberland RI 02864
Saturdays
June 9, 16, 23, 30
10AM - 12PMEast Farm Demo Garden
2097 Kingstown Rd., S Kingstown, RI 02881
Saturdays
September 1
11AM - 2PMRoger Williams Botanical Center
1000 Elmwood Ave., Providence RI 02905
Saturdays
June 9
July 14
August 11
9AM - 12PMMount Hope Farm
250 Metacom Ave., Bristol RI 02809
Saturdays
June 9
July 14
August 4
8:30AM - 12PMCasey Farm
2325 Boston Neck Rd., Saunderstown RI 02874
Single Events
DATETIMELOCATION
Monday, June 116PM – 8PMHorseshoe Farm
5 Westerly Bradford Rd, Westerly RI 02808
Wednesday, June 135PM – 6PMVarnum House
57 Pierce St, East Greenwich RI 02818
Saturday, June 169AM - 1PMLippitt Park Farmers Market,
1059 Hope St. Providence RI 02906
Saturday, June 238:30AM – 1:30PMSmith Castle
55 Richard Smith Dr., North Kingstown RI 02852
Friday, June 299:30AM – 1PMCharlestown Farmer’s Market
4150 Old Post Rd., Charlestown RI 02813
Saturday, July 79AM – 1PMAttleboro Farmers Market
201 County St., Attleboro MA 02703
Friday, July 209:30AM – 1PMCharlestown Farmer’s Market
4150 Old Post Rd., Charlestown RI 02813
Friday, August 179:30AM – 1PMCharlestown Farmer’s Market
4150 Old Post Rd., Charlestown RI 02813
  • NOTE:   REQUESTS MUST BE RECEIVED ONE MONTH PRIOR TO EVENT.

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