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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
	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 >> Bradford Pears Not Kind to Cities This tree species has weak branch connections and limbs are prone to falling down. MORE >> Selling Houses By the Yard Worried home owners hope landscaping adds value- from the Wall Street Journal MORE >> 2007 Tree of the Year Baldcypress named tree of the year by Society of Municipal Arborists (SMA) MORE >> 17-year Cicadas Threaten Midwest The 17-year cicada (Magicicada septendecim) wreaked havoc across the Midwest in 1990. Now landscaping experts worry about that generation’s offspring descending like a plague this spring. MORE >> NADF Hardiness Zone Map Find out the right tree to plant where you live MORE >>

"The greatest achievements were at first and for a time dreams. The oak sleeps in the acorn." James Allen (1864 - 1912), writer

	Resources
	Tree Identification Posters $12.95 each Available through the ISA Web store