Tucson Based
Whitethorn Tree Care is locally owned and operated in Tucson, Arizona by certified arborists with extensive experience in tree care and urban forestry. We combine industry-standard ANSI A300 practices with a deep understanding of the unique challenges facing desert trees and landscapes. We recognize the importance of desert trees, from the ecological benefits they provide to the beauty and value they add to your property. As owner-operators, we are directly involved in every project, allowing us to maintain a high level of quality and attention to detail. Our mission is to protect and preserve Tucson's urban canopy to create a greener, more resilient community.
Meet the Owners
Patrick Gunderson
As a Certified Arborist with nearly a decade of experience, Patrick has worked in a wide range of roles throughout the tree care industry, from climbing and field operations to management and consulting. His experience spans diverse landscapes and tree populations, giving him a practical understanding of tree health, risk management, and long-term care. He is passionate about protecting and improving the urban forest while providing clients with knowledgeable, professional tree care solutions.
Certified Arborist PN-9178ATRAQ (Tree Risk Assessment Qualification) Certified 
Helen Faust-Little
Helen has been working in the tree care industry since 2019, building her career from groundswoman to lead tree climber and Certified Arborist. With a background in botany and a strong understanding of tree physiology and plant health care, she brings both scientific knowledge and hands-on experience to every project. She is passionate about promoting healthy trees, delivering quality tree care, and serving as a proud woman in the arboriculture industry.
Certified Arborist PN-9577ATRAQ (Tree Risk Assessment Qualification) Certified