Are hemlock trees fast growing?
Correspondingly, how quickly do hemlocks grow?
They have a slow to medium growth rate of up to 24 inches a year, maturing to 50 to 70 feet tall and 25 feet wide. Don't worry about their roots. According to Canadian hemlock tree facts, the roots are not likely to invade pipes or raise sidewalks.
Also, what are the fastest growing trees for privacy?
Hybrid poplar tops the list. It can grow upwards of five feet per year. The Leyland cypress, green giant arborvitae, and silver maple are all close seconds because they add about two feet to their height each year.
Plant in spring or summer on well-drained, moist soils. Avoid hot, dry windy locations and areas where there is air pollution and salt spray, such as close to a road. Space plants 30 to 40 feet apart; closer for dwarf forms or if grown in a hedge. Keep trees well watered.