If you have one or more of these trees growing in your yard, the best time to fertilize them is in early spring. American arborvitae trees can be grown in USDA hardiness zones 3 through 7 ...
Once mature, these trees can reach an impressive 60 feet in height and 20 feet in width. These qualities make them ideal for homeowners who need lots of coverage, fast. Emerald green arborvitae, on ...