Soil structure and drainage can be modified by topdressing with sand or other corrective materials. Topdressing regularly can smooth out bumps caused by worm castings and encourages a dense, lush lawn. Topdressing reduces lawn stresses, helps keep thatch under control, and acts as a long-term natural fertilizer.

What does top dressing do for your lawn?

Topdressing helps increase and retain the soil nutrient, it helps the grass fight diseases and resist pests. It's also useful for improving drainage, which will result in a thicker lawn. It decreases the chance of moss and weed infestations. When you topdress, it helps break down thatch and grass clippings.

Is lawn top dressing necessary?

Topdressing your lawn regularly helps prevent the buildup of thatch. Topdress can dilute the thatch layer and is also known to naturally break it down. Using sand based topdressing can improve your soil's drainage and firm up the surface. ... Improves the lawn's resilience.