Tree planting is an excuse for awareness of caring for the environment, the fact of planting trees, determine them, care for them, learn about them, teach our fellow, population and students how to take care of them, gives us a vision real and wide of its importance, its significance, and allows us to interact with our ecosystem in a positive and constructive manner. The existence of properly ornate parks Castilla district is a reality in terms of its non-existence. Except for the seat of arms of the district, no other Park meets the conditions of so called. This absence of parks, green lungs, which enable people to have a space of comfort and recreation is primary justification for the development of this project.The project of tree planting in the Park of Tacalá - Castilla is a necessity of having a green lung in our community and a way to contribute to the improvement, conservation and preservation of the city's polluted environment.