You are buying 1 well rooted Arborvitae Green Giant 12-18" tall in a 4" pot. Very fast growing and grows 3-4 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'. Grows in any soil from sand to clay, deer resistant, hardy in zones 3-8.  Planting instructions included with every order.