"Measuring 84 feet tall by 24 feet wide, the wall is made up of 504 vertical planters filled with a variety of ground-cover plants, including phlox, euonymus and pachysandra, all arranged to form the image of a tree with the PNC logo at its base. At 2,016 square feet, it's slightly smaller than the one gracing PNC's corporate headquarters in Pittsburgh."
These building mural walls are more than just attractive to look at. They have the same environmental benefit that plants on the roofs of buildings. The are great for filtering air pollutants, lessening noise pollution and cooling the surrounding areas.
Thinking more about how this could be duplicated in Columbia my thought was that given the design of the former Rouse Company building, now to house a Whole Foods, plants on the balconies and walls could have the potential to be a signature building for our downtown.
From Howard County Parks and Rec: