Frequently Asked Questions
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How often does my tree need care?

A: The type and frequency of tree care depends on the species, age, location, climate, and other factors that affect the tree’s growth. The first step is to educate yourself about your trees and understand their needs. It is imperative to understand that proper tree care is a life long process, and that planting and caring for a tree is a long-tern commitment, not just a one time deal. Contact your local tree care professional for proper assistance.

For more information on proper tree care, please visit http://www.treesaregood.org for a wide-range of quality arboriculture information.

News

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Do you know a tree care provider who is a true professional of arboriculture? If so, you are encouraged to nominate them for the ISA True Professionals of Arboriculture Recognition award.

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National Register of Big Trees
Big trees are symbols of all the good work trees do for the quality of the environment-and our quality of life. 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 >>

Why Leaves Really Fall Off Trees
(From NPR)– You think you know why leaves fall off trees. Well, you're wrong. It's not the wind. It's not the cold. MORE >>


"Woodman, spare that tree! / Touch not a single bough! / In youth it sheltered me, / And I'll protect it now." - General George P. Morris

Resources

Plant Health Care Brochure

Available through the ISA Web store

Does Your Yard Have a Health Plan?
When is the last time your yard had a check-up? Just like people plants need periodic examinations and treatments to help prolong their health. MORE >>
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P.O. Box 3129, Champaign, IL 61826
Email comments & questions to isa@isa-arbor.com