In front of a house I like to use an arc of medium height plants like Blue Girl Holly,
Titleist Vokey Spin Milled SM5 Wedge Sale, then put a couple of taller plants behind the arc. When landscaping for curb appeal you want the landscape to stair step toward the house. In other words,
Titleist 915 D3 Driver Sale, the lawn is the bottom step,
Ping G30 Driver Sale, the raised bed is step two,
Titleist 915 D2 Driver Sale, low growing plants step three and so on..