On October 20, 2008, I posted the picture below showing that our Acer tschonoskii ssp. koreanum (Butterfly maple) tree was just beginning to color.
Most likely as a result of our hot, dry summer, this year the same tree (bottom photo) has already started to turn color on August 20 — literally two months early! Another reason the weather in 2012 will be one for the record books.
Our big sugar maple is losing leaves and turning color already as well.