A
roof garden is a
garden on the
roof of a
building. Besides the decorative benefit, roof plantings may provide food, temperature control, hydrological benefits, architectural enhancement, habitats or corridors for wildlife, recreational opportunities, and in large scale it may even have ecological benefits. The practice of cultivating food on the rooftop of buildings is sometimes referred to as
rooftop farming. Rooftop farming is usually done using
green roof,
hydroponics,
aeroponics or
air-dynaponics systems or
container gardens.