*Boxwood 'Dee Runk' is reportedly the nicest of the columnar boxwoods tolerating shade and clay soils. Total height of ft tall can be sheared shorter. Max width about two feet. Advantage over other upright boxwoods is dense growth that won't flop open.
Privacy screen on property? The Fastest-Growing Privacy Tree - The Willow Hybrid is becoming one of the most popular privacy trees in recent memory. They were bred to quickly form a dense wall that blocks out neighbors, noise or construction.