A living wall, also referred to as a green wall or vertical garden is usually part of a building and consists of some sort of vegetation. These types of gardens are sometimes referred to as urban gardens, because they are well-suited for an urban environment where space on the ground is very limited but vertical space is plentiful. These vertical gardens can be quite spectacular in appearance, and they even work to filter clean air into the building in which they are growing upon.
Vertical gardens can be grown on just about any type of wall, with or without the use of soil, and they can be placed both on outdoor and indoor walls. These amazing sky farms are able to literally bring life to an old rundown building in the middle of the city and they are becoming increasingly popular inside office buildings, homes, and retail stores because of their outstanding beauty and their natural air purification properties.
Living walls have fast become an art form for many people, and one of the pioneering vertical garden artists is Patrick Blanc. He observed how plants were able to grow vertically without the need for soil in the wild, and soon developed a way to create artistic looking vegetation walls that were both lightweight and needed little maintenance. Since these living walls only weighed approximately 30 kg or less per square-meter, he noticed that just about any type of wall would be able to support the weight of a vertical garden.