We don't always appreciate how far roots can extend. Understanding how and where roots grow will help you avoid damage from trenching and construction.
A: Because roots need oxygen, the don't normally grow in the compacted oxygen-poor soil under paved streets.
B: The framework of major roots usually lies less than 8 to 12 inches below the surface.
C: Roots often grow outward to a diameter one to two times the height of the trees.
