It's hard to tell using that type of "sim city" thing.
Personally, I'd prefer all white or maybe just white and light blue.
As far as the foliage, it's very difficult to tell. I mean... it looks nice and simple, clean lines and good form, not too much and not too little of the plantings. For what it is, I'd say it looks just fine.
"Say, uh, ever hear of the devil's paint pots? Real mystery of the desert. Bubblin' pots of mud in all kinds of colors."