There are several common reasons why your lawn is lumpy. These include heavy foot traffic in certain areas (which causes soil compaction), damage from tires and heavy equipment, lumps from tools, toys, pet waste, and other organic matter getting buried in the lawn, and even improper mowing.
Also know, how do you smooth out a bumpy lawn?
Use a garden rake to break up raised areas and level them out to the surrounding yard. The best way to smooth out bumpy lawns is a combination of aerating and soil leveling. The more time passes, the less noticeable bumps will be in your lawn; as long as you address the root problems and continue to maintain your lawn.
Beside above, why does my yard feel spongy?
Spongy lawns are the result of excess buildup of old and dead grass material. Some types of grass don’t produce thatch but others with thick stolens will trap their own leaves and stems. Overly thick thatch not only makes the lawn spongy but can interfere with the plant’s ability to gather air, water, and fertilizer.
Can you put soil on top of grass to level?
Areas of a lawn can become uneven over time, due to settling, drainage issues, and various natural and unnatural causes. In the least extreme cases, you can solve the problem by topdressing with a thin layer of leveling mix (soil, compost, and sand).