The tests provided here are for evaluating soil fertility, pH level, and/or problems due to excessive salts or fertilizer materials. Based on the test results and type of plants to be grown, you will be sent the appropriate fertilizer recommendation for good plant growth without adverse effects on the environment.
How to Submit Samples for Analysis
- Follow the instructions for collecting Lawn/Garden Soil Samples
- Place sample in a tightly sealed container or bag (like a clean, disposable food container or bag)
- Download & Print the Lawn & Garden Information Sheet lawn_and_garden_2016.pdf
- Enclose a check payable to the University of Minnesota for all services requested. The cost is $17 per sample. Do NOT send cash - we cannot not be responsible for cash sent through the mail.
- Send the soil sample(s), money, and information sheet to us at:
Soil Testing Laboratory, University of Minnesota
Room 130, Cargill Building
1500 Gortner Ave.
St. Paul, MN 55108
Alternatively, you can bring it to us in person to:
Room 130, Cargill Building, University of Minnesota, St. Paul Campus. See Contact Us for directions. Free drop-off parking available on the curb of the Dudley Ave. entrance for the Crops Research Building, which is right next door.
Tests Offered (with recommendations)
- Regular Series (phosphorus, potassium, pH and lime requirement, organic matter (%) and estimated texture class)
- Soluble Salts (from excess fertilizer or road salt)