Frequently Asked Questions
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Why should I hire an arborist?

A: Trees restore natural harmony in an urban environment, giving scale to human life. Trees are alive, like us, and require an investment and continuous maintenance in order to provide the maximum desired benefits. Some benefits include:

  • Air Filtration? filters out particulate matter and absorbing harmful gases
  • Purifies Water? slows and filters rain water and protects aquifers & watersheds
  • Cost Reduction? reduces yearly heating and cooling costs by 2.1 billion dollars
  • Climate Control? obtained by moderating the effects of sun, wind, and rain
  • Increase Property Value? well-cared landscape properties are 5-20% more valuable than non-landscaped estates.

For a healthy and long life, trees need the proper maintenance. Therefore, in order to provide proper tree care, you should refer to a certified arborist.

More information:

Why Hire An Arborist

News

Don't Move Firewood - Protect Nation's Forests
This camping and hunting season, get your firewood from a vendor close to your destination. Don’t pack your own! Invasive insects and diseases in dead and dying wood threaten our native trees and forests. If you move firewood, you could be giving these pests a free ride to new territory. MORE >>

National Tree Benefits Calculator
The Tree Benefit Calculator allows anyone to make a simple estimation of the benefits individual street-side trees provide. This tool is based on i-Tree’s street tree assessment tool called STRATUM. With inputs of location, species and tree size, users will get an understanding of the environmental and economic value trees provide on an annual basis. The Tree Benefit Calculator is intended to be simple and accessible. As such, this tool should be considered a starting point for understanding trees’ value in the community, rather than a scientific accounting of precise values. For more detailed information on urban and community forest assessments, visit the i-Tree website. MORE >>

Warning: Check Tree-care Credentials
Several autumn fatalities linked to dangerous tree care practices are prompting a coalition of arborists and urban foresters to urge contractors (and others) to hire only certified tree-care professionals. MORE >>

Best Trees For The Street
Scientist John Hammond of the Agricultural Research Service (ARS), the U.S. Department of Agriculture’s chief scientific research agency, has announced the findings of a four-year project to determine the best trees to use in urban spaces. MORE >>

Selling Houses By the Yard
Worried home owners hope landscaping adds value- from the Wall Street Journal MORE >>

NADF Hardiness Zone Map
Find out the right tree to plant where you live MORE >>


"The tree which moves some to tears of joy is in the eyes of others only a green thing that stands in the way. Some see Nature all ridicule and deformity, and some scarce see Nature at all. But to the eyes of the man of imagination, Nature is Imagination itself." - William Blake, 1979 The Letters

Resources

Certified Arborist Brochure

This brochure discusses ways in which a Certified Arborist can assist property owners, and why a Certified Arborist should be chosen.

Available through the ISA Web store

Protect Your Investment, Hire An Arborist
What is an arborist? An arborist is a professional who is trained in the art and science of planting, caring for, and maintaining trees. Why hire an arborist? MORE >>
© International Society of Arboriculture 2009
P.O. Box 3129, Champaign, IL 61826
Email comments & questions to isa@isa-arbor.com