What is the purpose of this passage? A rooftop garden is easy to grow. It requires some preparation, but once you have soil and plants in place, caring for it requires little work. The benefits are many. Rooftop gardens can provide city dwellers with fresh vegetables in the summer, as well as a beautiful place to relax. Rooftop gardens also have environmental benefits. They can help cool a city in the summer and can help reduce pollution. If you live in an apartment, consider planting your own rooftop garden. You won’t regret it.