Category Archives: ISA Certification and Credentials

To earn an ISA Certified Arborist® credential, you must be trained and knowledgeable in all aspects of arboriculture. ISA Certified Arborist® have met all requirements to be eligible for the exam, which includes three or more years of full-time, eligible, practical work experience in arboriculture and/or a degree in the field of arboriculture, horticulture, landscape architecture, or forestry from a regionally accredited educational institute. This certification covers a large number of topics giving the candidates flexibility in the arboricultural profession. A code of ethics for ISA Certified Arborists® strengthens the credibility and reliability of the work force. This certification is accredited by the American National Standards Institute, meeting and exceeding ISO 17024.

Safety First

At Johnson's Tree Care Inc safety first is our number one priority. Tree work includes trimming, pruning, felling, and removal of trees and bushes. It involves climbing trees, using portable ladders, working at heights while using hand and portable power tools, working near energized overhead or downed power lines, feeding chippers, and other hazardous operations.…
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Pruning Methods: What is Crown Thinning?

Structural Pruning is considered the best way to thin trees. Crown Thinning is the removal of select branches to reduce density evenly throughout the crown without modifying crown size or shape. Entire tree crowns are commonly thinned because tree owners and arborists believe this is what should be done to trees, like the appearance of…
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