I have about 65' of space that is fenced with a 12' chain link fence. There is a field behind my house, and I have a 6' wood fence in front of the chain link one. Now the chain link is unsightly and I would like to hide it with some ever green trees, that start leafing around 6' up, I don't need to hide my wood fence, although I wouldn't mind creating a wall of green foliage to give my yard some depth. Any suggestions on what I can use for 65' without having to plant too many trees? I am in Orange, California.