The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from ... the leaves stop their food-making process. The chlorophyll ...

According to Joly, the essentials of how leaves change color have been known by scientists for more than 30 years. The first step to understanding the process is to know that tree leaves have three ...

This was filmed in northwest Connecticut. The leaves change color as the days get shorter. Warm temperatures have delayed the seasonal change. Southern states usually peak in November. When it ...

Leaves change color every year during the fall season. According to Gardner, this can be narrowed down to two contributions: the loss of daylight and the temperature change. During the fall ...

Read Dr. Don Leopold's Guide to Fall Colors in Upstate New York with color images of dozens of ... that take place in the tree as the seasons change from summer to winter. During the spring and summer ...