In the back of my lot I have about 20 feet thick of woods/brush. This provides some very nice privacy from the house that is on the other side of that brush. However, I have had problems with poison ivy and in general just have had a hard time preventing the woods from creeping into my back yard.
I am considering clearing out the woods, leaving the big trees, and trying to replace it with something that can be maintained a little easier. So, that leads me to my question, what type of plant(s) can provide the type of privacy that you get from the woods without the painful (literally painful with poison ivy) upkeep of brush.
Some details: My lot dips down into a drainage ditch. These woods/brush is currently located on the slope. It is probably about a 10 foot drop over 20 feet. The house on the other side is about the same elevation as me, so the privacy would need to come up about 20 feet (10 for the slope, 10 from my ground level). I am in zone 6B.