· Ortiz Landscaping & Tree Services
Top dressing means spreading a thin layer of material, usually an organic compost and sand mix, over an existing lawn. It is one of the simplest ways to improve the soil a lawn grows in without tearing it out.
What it does
- Feeds the soil: compost adds organic matter, which supports the soil life that recycles nutrients and helps the soil hold water.
- Gives roots more room: a fresh layer gives existing roots and new seed more soil to grow into.
- Smooths the surface: repeated light applications can gradually fill shallow dips.
- Helps seed: spread after overseeding, it improves seed-to-soil contact and keeps seed from drying out.
Keep it thin
The key word is thin. The layer should be light enough that the grass blades still poke through after it is raked in, roughly a quarter to half an inch. Burying the grass under a thick layer blocks light and can kill it. Low spots that need more fill are better handled in stages.
When to do it
Top dressing works best when the grass is actively growing and can grow up through the new layer. For cool-season lawns in New Jersey, that means early fall or spring. Fall is especially useful because it pairs naturally with overseeding.
Good candidates
Lawns on compacted or heavy soil, thin lawns that are being overseeded, and lawns with uneven surfaces tend to benefit most. If a lawn has a deeper problem, such as heavy shade or drainage issues, top dressing will help but will not solve it alone.
Our top soil dressing adds an organic compost and sand mix that feeds your lawn and gives roots and new seed more soil. It pairs well with seeding and planting. Call (609) 454-7355 or request a free quote.