Acer campestre/Field Maple - Trained as a Pleached hedge
This variety of clump Birch tree is famous for its white chalk bark. The ornamental bark does not peel. The White Spire Birch is very tolerant of high temperatures. It is also used as an ornamental tree to brighten up a landscape. Mature Height: 30-40' Mature Width: 20-25'
Populus nigra - Lombardy Poplar, fast-growing trees, growing as much as 6 feet per year. This makes them a popular choice when people want "living wall" privacy screens or windbreaks in a hurry
Wax myrtles-evergreen- can be used as a hedge or limbed up. As small trees they will provide privacy above your fence while not eating up a lot of yard space.