Seeing that our local hardware store had gotten their Spring shipment of lime was a great reminder of how important liming can be for local lawns and gardens.
Soil chemistry is measured with something called “pH” — which indicates its level of acidity or alkalinity. Plants in western Pennsylvania tend to grow best in a soil pH range of 6.5 to 7.2 with 7.0 being “neutral.”
While it’s best to sample your soil to find out its exact pH, as well as what major nutrients may be deficient, it’s also easy to assume that most lawns could use an application of 50lbs. per 1,000 square feet of lawn area.
Lime is slow moving down through the soil profile, so combining an application of lime with core aeration, is an even better approach. If the lawn is weak, and has thin or bald spots, the aeration holes also provide a good place for seed to germinate.
Getting your soil pH into the correct range also serves to unlock nutrients that were previously unavailable, while also making future fertilizer applications more effective. Pelletized limestone is much easier to spread than the powdered variety, making its extra cost well worth it.