The best shrubs for privacy grow densely, require little maintenance and block a view completely. There are two kinds of privacy shrubs - those that are evergreen and those that are deciduous and lose their leaves each fall. Decide which type will work best for your yard.
The Emerald Green Arborvitae, Thuja occidentalis 'Smaragd', also known as Emerald Green Thuja is a fast-growing, hardy arborvitae. It would make a superb privacy hedge along your property line or beside your backyard pool. These also make an excellent wind-break or foundation plant.