Fast growing trees
Carolina Sapphire Cypress is the fastest growing conifer we've seen for making a privacy screen! Faster growing than Leyland Cypress, the Carolina Sapphire adds 3' to 5' per year and will reach a height around 40 feet. The attractive foliage is bluish-grey in color and contrasts well with plants nearby. The foliage is also extremely aromatic. This evergreen grows best in full sun in zones 7-10.
Emerald Colonnade Holly This male holly (which produces no fruit) offers evergreen lushness for any landscape. It grows in a shapely rounded to pyramidal form. Plant Emerald Colonnade in a container, or group several in a line for an informal hedge or privacy screen. It also makes an excellent specimen plant in a mixed landscape border.
Thuja Green Giant. Limited height screening/privacy. 20-35 ft. tall. 8-12 ft. wide. Plant every 5-6 ft. Grows in uniform shape and height. Don't have to do anything to them. Drought tolerant, no significant insect or disease problems. Not prone to deer and bagworm problems. Grows in almost any soil, even sandy loam, heavy clays. Prefers direct sunlight. And does well in partial shade. Make sure grown in pots and not topped off.