Pyramidalis Arborvitae is a an excellent choice for a privacy or border wall. Smaller than a Green Giant but larger than an Emerald Green. These trees like alot of water, so they are ideal for soils that retain moisture such as red clay. Sandy soils are not a great option for this tree. These trees have an expected life span of 50+ years. These trees can also be pruned to keep a uniform shaped if desired.