I need plant suggestions for a border garden that will serve as a screen for privacy (6-20ft high 10-15' wide) that surrounds my front yard. I would prefer some evergreen specimens for year round privacy. There is currently a deciduous hedge of unknown species. It has a gaping whole at the front where the previous owners parked their boat. I could probably plant curbside as well as a few feet on the interior of that hedge. I am also not attached to the hedge itself. Any thoughts? We are south facing, clay zone 6. I am fond of a loose natural looking border. Thanks in advance. The area in question is about 35' square. Plans/layouts would be MOST appreciated!