0 well-rooted Arborvitae Green Giant in a 4" pot 14-20" in height. Very fast growing and grows 3-5 ft. per year and at maturity they reach heights of 50-60'. Plant alone or in multiples to make the perfect privacy fence. For a fast privacy screen fencing plant 5-6' apart otherwise 10-15'. Rapidly-growing, Broad pyramidal evergreen tree has medium to dark green foliage Use: Windbreak or Privacy Screen & Hardiness Zone: 5-8