Planted walls with controlled cultivation are called green facades. Green facades can be divided into two main categories – façade-bound and ground-based greenings. Façade-bound greening use planted panels or containers that are elevated and fixed to the façade. Ground-based greenings are established using climbing vegetation that is planted in the ground and then grows directly up the wall, or climbs on a frame that is connected to the wall. Both types of green facades offer many benefits including reduction of air pollution, thermal insulation for buildings and biodiversity support via habitat provision and connectivity improvement.