The answer to 'why is my deck dead trees' is that there are several common causes for dead or dying trees on a deck, including improper planting, insufficient watering, and pest infestations. Symptoms may include wilting leaves, discolored bark, and a lack of new growth. To resolve the issue, you'll need to diagnose the specific problem and take appropriate action, which may involve replanting, adjusting watering schedules, or treating for pests.
In many cases, it's best to consult with a professional landscaper or arborist to properly assess the situation and recommend the best course of action. They can provide expert guidance on maintaining the health of your deck trees and ensure they thrive for years to come.