We know conclusively that we can derive health benefits from spending time in nature, or even just by looking at nature. The Japanese have their own research called shinrin-yoku or forest bathing. Read more on this here:http://www.shinrin-yoku.org/
Now some researchers are working on the big remaining questions: What dose of nature exposure is needed to achieve maximum mental and physical health benefits? (How long and how frequently?) Perhaps one day we will get nature pills. Read more here: http://dirt.asla.org/2015/06/
This all means that having beautiful, healthy landscaping around your house or business can be good for your health!