It is not necessary to limit the planting on the ground. From the smallest house to the largest building, invigorating the walls can have surprising benefits. The urban green revolution is all around us. From planted balconies to lush roof gardens, green walls, and innovative city planting systems, all of this adds to the love of plants in our cities. A vertical garden makes a miracle!
A vertical garden improves mental health and reduces stress
And rightly so. Every little patch of planting brings an advantage to those who live and work there. A challenging world of flash floods and unforgiving warm-baked concrete is transformed into sunlight and fresh scents. Through a multitude of small utopias, cities can become an ever-changing flowering flora.
Vertical garden as a partition
The evidence is overwhelming. Vegetation in the cities helps regulate the temperature of the air and helps combat air pollution by the leaves and branches catching dirt particles from the air. It also reduces local flooding by absorbing rainwater. The water is caught by the Wutzeln and held in the canopy. It is well known that planted areas increase local biodiversity.
Natural regulator of air temperature
The foliage on or around a building acts as an insulating jacket that keeps the building warmer in winter and cooler in summer. This not only reduces carbon dioxide emissions but also saves on heating and air conditioning bills.
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There are also human benefits, such as improved mental health and reduced stress. “You will get certain things from a green building that you will not get from a traditional green space,” says Gary Grant of Green Roof Consulting, who designed the largest green wall in London (Rubens Hotel in Victoria). “It’s better for the people and moreover the building is more attractive, for example, when it comes to a restaurant that borders the green wall, then you have a well-run restaurant.”
“One of our customers has discovered that it reduces staff turnover. The company intended to save a few cents by switching to low-energy light bulbs, but the money spent on their workers has a big financial advantage in terms of reduced recruitment costs. ”
Very high six floors above the busy street below and with an area of 350 square meters. The living wall of the Rubens contains more than 10,000 plants of 23 species, including evergreen ferns, ivy and flowering plants such as geraniums, crocuses, buttercups and strawberries. Installed and managed by experts from the urban greening company Treebox, the wall is checked at least four times a year. In the meantime, a rainwater alarm system on the roof alerts in case of failure. The system stores up to 1,200 liters of water to irrigate the planting modules.
Designed to revitalize the gray city, the vertical garden with its façade adds color, charm and personality throughout the year.
However, the Green Walls are not always welcome, and there are frequent objections from people who have reservations about the amount of money spent – typically around £ 400 per square foot. “Changing perception is a challenge, and there is also a prejudice that the plants should not be near a building, that they destroy it,” says Gary.
The Green Wall controversy
“In terms of design, the cost is minimal and the benefits – considerable!” He adds. “A vertical garden will protect the underlying structure from frost, sun and rain and extend the life of the building. The ultraviolet light is very destructive. The stone does very well against the UV exposure, but plastic seals fail. ”
“A vertical garden knows how to double or triple the life of the surface to which it is attached.”