Sunscald Injury or Southwest Winter Injury on Deciduous Trees

Damage from sunscald injury can result in discolored bark, bark cracking, sunken areas from lack of growth, or sloughing of surface bark to reveal dead tissue within the damaged area. Sunscald injury may cause significant stress for trees and presents an avenue for pests and diseases to enter the damaged area. Damage from sunscald injury may eventually heal, but the damaged areas should not be painted or filled with any sealing substance such as paint or tar. However, wrapping with light colored tree-wrap can help. Usually sunscald damage in the northern hemisphere occurs on portions of the tree with south Sunscald Injury or Southwest Winter Injury on Deciduous Trees