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Resource Articles from Gilbert Smith, ISA Board Certified Master Arborist
and Lesley Bruce Smith, ISA Certified Arborist

What Is Killing My Trees?
Backyard Wisdom - January/February 2022
by: Gilbert A Smith, ISA Board Certified Master Arborist
Driving through Deerfield a few months ago I stopped to take a picture of the above (left) pictured declining Norway Spruce. Almost every day we get asked, “What is killing my trees and what can you spray on them to save them?” When I drove up to these sick trees my thoughts were similar. Is this being caused by a disease or by a bug?