by David Vaughan | Dec 14, 2025 | Articles
Purpose: To provide air, water and fertilizing ports in the root area of trees that have paving over their root zones. Their main value is to vent toxic gases to the surface and to allow oxygen to enter the soil under the paving. Their secondary value is for water and...
by David Vaughan | Dec 14, 2025 | Articles
The most likely cause of tree problems in the urban setting in our area is buried root collars. I seldom have a day in which I do not diagnose a root collar disorder. In my experience, it is by far the most common cause of tree decline and death and is responsible for...
by David Vaughan | Dec 14, 2025 | Articles
PRUNING, when properly performed, is beneficial and can reduce the risk of stem and branch failure; provide clearance for structures, vehicles, and pedestrians; improve health and appearance; and improve views. Improper pruning techniques are harmful for a tree’s...
by David Vaughan | Dec 14, 2025 | Articles
When you plant, it would be good to have a landscape plan and to plant your trees and shrubs according to that plan. It is best to place trees and shrubs so they can develop without crowding each other, structures, or utility lines. It helps to know the mature size of...
