What is the best tree to block neighbors?
For rapid privacy solutions, few plants can rival the green giant arborvitae. Known for its fast growth and dense foliage, this evergreen is perfect for screening out neighbors and undesirable views. What are the best fast-growing evergreen trees for zone 5? Cryptomeria radicans, carolina sapphire (arizona) cypress, and green giant arborvitae are the best fast-growing privacy trees for zone 5.With growth rates from 3 to 5 feet per year the fastest growing privacy hedges are Thuja Green Giant, Leyland Cypress, Cryptomeria Radicans, and Wax Myrtle. Carolina Sapphire Cypress, Nellie Stevens Holly, Oakland Holly, and Wavy Leaf Ligustrum offer fast privacy with 2 to 3 feet of upward growth per year.