Design Evaluation

If you evaluate this landscaping using the following design concepts, 

you end up with a loss:

movement

harmony

variety

balance

proportion

pattern

While a formal balance can be effective, this design has no flow. It ignores harmony and movement by placing two similarly sized but different blobs side by side. Overall the landscape lacks creative variety. Often odd numbers of objects harmonize visually. In this case the two masses of equal size destroy the sense of proportion and movement.

This landscaping, while lacking in many ways, at least has a more pleasant flow and greater variety. The pattern is more interesting and varied. 

A different but similar example to the first one of how even numbered same sized objects placed side by side create a feeling of stasis,  rather than flow.