In traditional vertical gardens plants are rooted on the ground. In this system, plants utilize
the façade to climb up. The façade only acts as support and it does not provide humidity or
nutrients. The most often used plant species is ivy, Hedera helix. The advantages are the low
cost of installation and maintenance. These green walls offer shade which decreases the
costs building refrigeration. The main disadvantage is that many years are required for the
façade to be vegetated or to restore the green cover after a plant´s death. The thermic
insolation is low as well as protection against atmospheric events. Also, some plants can
cause damage to the façade. From the aesthetic and artistic point of views these types of
green walls are less rich as compared to other systems. Pic by Charles Parker.
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