Mulch suggestions are here

Mulching - http://home.ccil.org/~treeman/sub3.html
and
http://www.treedictionary.com/DICT2003/M/mulch.html

Sincerely,
John A. Keslick, Jr.
Consulting Arborist
http://home.ccil.org/~treeman
and www.treedictionary.com
Beware of so-called tree experts who do not understand tree biology.
Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us
that we are not the boss.

"Mike" wrote in message
...
So, I was driving around town (Central NC), and saw a bunch of people
with piles of leaves around their trees, some as high as 3 or 4 feet.
Is this a good idea?