The answer to 'why is my lawn pests' is that there are several common causes of lawn pests, including grubs, chinch bugs, and moles. These pests can damage the roots, stems, and leaves of your grass, leading to bare patches, discoloration, and an overall unhealthy lawn. Symptoms may include wilting or dying grass, mounds or tunnels, and the presence of the pests themselves.
To address lawn pests, you can try DIY solutions like using insecticidal products or biological controls like nematodes. However, for severe or persistent infestations, it's best to call in a professional landscaper who can properly identify the issue and apply the most effective treatment.