Did you know you may be unknowingly stressing out the trees and shrubs in your yard, consequently reducing their vigor and shortening their life? The area of concern is where the plant meets the ...

Trees planted too deep or excess soil or ground cover material on the tree’s root collar can inhibit gas exchange and kill phloem cells, interfering with the downward movement of food (photosynthate) ...

The root collar is the area where the trunk and roots come together. It is the location on a tree trunk where the roots begin to grow laterally into the soil, also known as the root flare. On all ...

A root-collar excavation was performed on this red maple to discover that girdling roots have restricted its growth, drastically affecting the health of the plant. A root-collar excavation was ...