Uneven Lawns Can Be Levelled

Over time, uneven areas of lawns can result from settling, drainage problems, and other natural and unnatural reasons. Topping with a thin layer (soil/compost and sand) can resolve the problem in the most extreme cases. This is an excellent solution to general unevenness, provided it does not go too deep. For more severe levels of unevenness, multiple applications may be required. In extreme cases, you might need to fill deep depressions with dirt and reseed the areas. Consult a professional if unevenness is observed near water pipes. This could indicate that there may be a damaged pipe.

You can level small depressions and holes with healthy grass by cutting out a piece of turf, adding the soil mix underneath it, and then laying the patch back down. This is also known as “sweeping under the carpet”, and it’s a useful technique to level localized depressions. It doesn’t leave any soil visible on the grass.

Spring is the best season to level your lawn with whatever method you use. The mild conditions allow the lawn to recover before the heat of summer.

Top Dressing for Minor Levels

Topdressing is the process of spreading a mix of topsoil and compost over the grass. Mulch or other plant debris should not be added to the soil as they can smother the grass. Play sand is the best choice. It can be purchased at any home centre. The typical mix is 40 per cent sand and 40 per cent topsoil. It also contains 20 per cent soil. The compost provides nutrients and soil drainage to encourage grass growth.

  1. Mix the levelling mixture in a tub or wheelbarrow using a shovel. Mix the soil with the sand and compost well.
  2. Add up to 1/2 inch of levelling mixture on top of low areas. You should not apply more than 1/2 inch of levelling mix as this could smother your grass.
  3. To evenly distribute the topdressing, rake it.
  4. To work the levelling mixture down, brush the grass with a push-broom while lifting the grass blades upwards. If the soil is not removed, the grass will not thrive.
  5. As needed, water the area gently. Don’t overwater as this can cause the levelling mixture to be ruined.
  6. Keep an eye on the area. You should eventually see only grass and no dirt, assuming that there weren’t any bare spots before you started the topdressing process. Repeat the process of topdressing if the lawn remains uneven. Do not apply more than 1/2 inch at once until it is level.

Cleaning the Carpet

This technique is named after you pick up the carpet (the turf) and place dirt underneath it. This technique is only suitable for areas with small sunken areas and is not recommended for areas that have been covered by healthy grass.

  1. You can cut through the turf at the recessed areas with a flat spade or manual lawn edger, as well as a sod cutter. To minimize root damage, make straight cuts and create a neat patch.
  2. Remove the turf patch carefully, taking care not to damage roots.
  3. Add a layer of potting soil or topsoil free from debris to the hole. This will bring the turf patch in line with the surrounding grass. You can water the soil to loosen air pockets and prevent it from settling again as you go.
  4. You can replace the turf by pressing down on the grass with your foot or hand.
  5. Water the grass.
  6. You should monitor the grass carefully and water it as necessary to maintain its health. The grass needs extra attention to heal from the trauma of being cut.

Releveling deeply sunken lawn areas.

You can fill depressions, troughs or holes deeper than 1 to 2 inches with a good soil mixture and then start with grass seed. Topdressing deeply sunken areas take too much effort. You’ll also spend more time trying to keep it alive than actually growing new grass.

To fill deep holes, compact the soil gently and then water to settle. You can add some dirt to the hole and then plant your seed. The soil will settle and leave you with a recessed area of grassy lawn. It is sufficient to compact the soil by walking on it. Do not compact the soil at the top where you will sow grass seed. Follow the instructions for seeding the area.

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