In recent years, "green walls" have grown in popularity among urban space developers.

Local authorities view them as a suitable and eco-friendly replacement for the optical-illusion-style painted walls which cover building façades and which (unfortunately) can be seen on street corners everywhere as relics of the 1980s. If you want to know more about this phenomenon, simply follow the guide.

Technical aspects :

Vertical gardens or ecosystems are designed to be attractive decorative items, as well as a piece of urban ecology in their own right. The possibilities are endless – from rockeries to bioengineering. You could simply insert plants suited to nutrient-poor, dry environments, or use more sophisticated techniques to improve the plant colonisation and growth conditions using substrates that can absorb and release water (peat, coir, etc.). Alternatively, you could use grow the plants on synthetic horticultural felt to provide them with sufficient nutrient-salt-rich water. In this situation, the plants are watered via a closed circuit, which is adapted to the specific climate. But green walls don't just look pretty! They can also act as a shelter or source of food for birds and invertebrates, as well as creating their own microclimate and improving air quality.

In the world of famous botanist Patrick Blanc, green walls become true works of art...

Patrick Blanc is a colourful character who specialises in creating biodiversity in urban spaces and transforming bland concrete landscapes into blooming works of green art. He is an expert in rare plant species, successfully incorporating them into vertical art forms, where soil and water are scarce and shade is never far away. He has created green masterpieces in cities from Paris and Bangkok to New York and Singapore, transforming the walls of museums, shopping centres, homes, hotels and skyscrapers. Some of his best projects are included in his latest book, "Le mur végétal" (The Green Wall) (Michel Lafon – 2011).

Vertical wall walking tours Paris :

  • Not far from the Eiffel Tower: the Musée du Quai Branly with its famous green wall designed by Patrick Blanc.
  • The façade of the BHV-Homme building.
  • The green wall at Esplanade de la Défense.
  • The wall of the Cartier Foundation building, 261 Boulevard Raspail (14th arrondissement).
  • And the most impressive of all: in the garden of the "Perishing Hall" hotel, 49 Rue Pierre Charron (8th arrondissement).

Lyon :

  • More than 260 m2, Perrache car park (2nd arrondissement).
  • Jardin Felix-Jacquier: at the corner of Rue Felix-Jacquier and Rue Montgolfier (6th arrondissement).

Toulouse :

  • The tropical plant wall in the Henri Gaussen botanical gardens.

Bordeaux :

  • 100 m long, Square Vinet at the heart of the old city.

Also read : Create your wall (your green wall becomes a home).

Plus a new trend : green roofs, which are becoming ever more popular with the growth of eco-friendly houses, capturing heat and keeping the inside of the house cool.

If you want to create your own green wall at home, you can find tips and advice in the Coaching section!

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