The answer to 'grass mud' is that grass mud is a common problem caused by excessive moisture, poor soil drainage, or heavy foot traffic. Symptoms include squishy, wet soil that makes it difficult to walk on the lawn and can lead to bald patches or weed growth. To solve grass mud, you'll need to improve drainage, aerate the soil, and potentially reseed the lawn.
In many cases, grass mud can be addressed through DIY methods like core aeration, topdressing with sand or compost, and overseeding. However, if the problem is severe or the result of underlying drainage issues, it's best to call in a professional landscaper to assess the situation and provide a more permanent solution.