Fun Facts About Trees
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Record-setting Trees

  • One of the tallest soft wood trees is the General Sherman, a giant redwood sequoia of California. General Sherman is about 275 ft or 84 m high with a girth of 25 ft or 8 m.
  • The 236 ft or 72 m high Ada Tree of Australia has a 50 ft or 15.4 m girth and a root system that takes up more than an acre.
  • The world's tallest tree is a coast redwood in California, measuring more than 360 ft or 110 m.
  • The world's oldest trees are 4,600 year old Bristlecone pines in the USA.
News

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 >>

Organic Gardening: Urban Forestry and Your Home
Networx.com, a home improvement website, describes the power of a strategically planned urban forest to transform and restore any city. MORE >>

Thousand Cankers Disease: A Red Alert for Walnut
The black walnut may be the next on the list of disappearing trees. Do not sell or transport walnut logs, slabs or firewood (any walnut with bark attached) from areas of known or suspected infestation into unaffected areas. MORE >>

Rid your lawn of snow mold
Spring is upon us and so is snow mold. Lawn experts provide tips on how to identify and help rid a property of this unsightly lawn fungus. MORE >>

Green Spaces Improve Health
(BBC News) There is more evidence that living near a 'green space' has health benefits. 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 >>

USDA Newsroom
USDA's collection of "hot topic" press releases ranging from current pest alerts for specific regions of the United States to new trends in disease prevention and tree and plant care. MORE >>


"I never saw a discontented tree. They grip the ground as though they liked it, and though fast rooted they travel about as far as we do. They go wandering forth in all directions with every wind, going and coming like ourselves, traveling with us around the sun two million miles a day, and through space heaven knows how fast and far!" - John Muir

Resources

Tree Identification Posters

$12.95 each Available through the ISA Web store
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