The answer to 'why is my grass dead trees' is that there are several common causes for dead or dying grass and trees in a landscape. Drought, disease, pests, and improper care are often the culprits. Symptoms may include brown or yellowing grass, wilting leaves, and bare or damaged tree bark.
To troubleshoot the issue, first inspect the lawn and trees closely for signs of distress. Check soil moisture levels and look for signs of insects or disease. Adjust your watering and lawn care routine as needed. For more serious issues like tree disease or pest infestations, it's best to call in a professional landscaper or arborist to diagnose and treat the problem.