Go to the UW Soils Lab website for instructions on submitting lawn and garden soil samples.

Note: Before submitting a sample, you may contact us by phone (608-298-6945) or email planthealth.advisors@extension.wisc.edu to be sure that a soil test will provide the information you are looking for.

Soil samples are not tested on site. Please visit the UW Soils Lab website for more information.