Vertical farming is the practice of growing plants in vertically stacked layers in a building. This makes it possible to grow vegetables close to consumers, such as next to a supermarket. Since the conditions in a vertical farm are fully controlled, crops can also grow in extreme environments like deserts or cold, dark areas. Vertical farming is the practice of growing plants in vertically stacked layers in a building. This makes it possible to grow vegetables close to consumers, such as next to a supermarket. Since the conditions in a vertical farm are fully controlled, crops can also grow in extreme environments like deserts or cold, dark areas. Biotechnology Agriculture Phys.org – latest science and technology news stories