Knowledgebase

lime or calcium #942910

Asked August 19, 2026, 3:39 PM EDT

a lawn soil test from the U of Mn six years ago indicated a PH of about 6.7, should I add lime or calcium this fall? Back then the report number was 75049 and laboratory number 150605. Thank you very much.

Ramsey County Minnesota

Expert Response

It may be time to get a new soil test as numbers may change over the course of 6 years.

A pH of 6.7 is well within an acceptable range of 6 to 7 and doesn't require liming.

https://extension.psu.edu/liming-turfgrass-areas

Kim Sullivan Replied August 19, 2026, 8:27 PM EDT

Our mission is to help Cooperative Extension generate a more visible, measurable, local act. We achieve this through our nationally funded programs made possible by member dollars and cooperative agreements with federal agencies, and through partnering on state, regional, and national initiatives with Cooperative Extension and the Extension Committee on Organization and Policy (ECOP). We serve all Land Grant Universities, regardless of membership status.

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Loading ...