Lime is added to the lawn to resupply the soil with calcium and magnesium. These two elements are essential for strong, healthy growth.
Lime also helps reduce soil acidity. As a soil becomes acidic some of the nutrients get tied up and become unavailable for uptake by the roots.
At Central CT Lawn Service, we use a brown pellitized lime which is much easier to spread than the old type of white powdered lime.
Many times we are asked if lime will cure a moss problem. Lime will usually help, but is not the only factor contributing to moss growth. Any situation which makes it more difficult to grow grass such as heavy shade, poor drainage or soil compaction can lead to moss growing in those areas.
Lime should be added at least every two years and is best if done every year to keep it readily available as needed. .