The answer to 'tree dying plants' is that there are several common causes for trees and plants dying, including disease, pests, drought, overwatering, and improper planting or care. Symptoms can include wilting, discolored or dropping leaves, dieback of branches, and fungal growth. Solutions depend on the specific cause, but may involve pruning, treating diseases or pests, adjusting watering, or replacing the plant.
For many tree and plant issues, it's best to consult a professional arborist or horticulturist. They can properly diagnose the problem and recommend the best course of action. DIY attempts may further damage the plant if the root cause is not properly addressed.