Enter your zip code, pick your grass type, and get a full 12-month maintenance calendar — everything timed to your location.
Optimal: 6.0–7.0
ppm — Adequate: 15–30
ppm — Adequate: 50–150
ppm (optional)
% — Good: 2–5%
📋 How to get a soil test: Your local cooperative extension office offers low-cost tests ($10–$25).
Enter your zip code to find yours — link will appear with your results.