First, vertical is the “in” design look for modern contemporary offices today. Vertical takes up less office space in smaller workplaces.
Second, sleeker, trimmer linear design has a different eye appeal then past 80′, 90’s and early 2000’s jungle look.
Third, architecturally the new narrow containers are more suitable for your newer constructed offices today, focusing on the shape and finishes of the planters as part of the office furniture design.
A nicer neater look with fewer more stately presented office plants. PDI uses this design in Waltham , MA cityscapes.