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 summer to winter. During the spring and summer the leaves have ...

It’s autumn, and that means the leaves on the trees are turning beautiful shades of yellow and red, before falling off entirely. It provides cheap entertainment for people and pets. It’s a way ...

Several things come into play when it comes to determining the colors that we find on leaves of our trees. As our days get shorter and our nights get longer there is a chemical change that happens in ...

Scramble high enough above the tree line in the mountains of Africa, Asia, Hawaii, and the Americas, and you will see thick towers of plants crowned by mops of living and dead leaves. In a poetic ...

Soon, the Oklahoma forests will be ablaze with fall colors. But what are the scientific processes behind that color change?

Yellow leaves on a lemon tree can be caused by overwatering or underwatering. Maintaining a proper watering schedule and ...

The autumn has arrived and northeastern North America's forests will soon grace us with a breathtaking palette of reds, ...

The trees in your garden and your neighborhood endured a serious dry spell this year, which may affect their fall leaf color. “The weather is the biggest factor that determines when the color ...

From sailing on a yacht through New England to chartering a jet to see a canopy of colorful trees from above, here’s some top ...

Get ready, leaf-peepers, it’s fall foliage season. As pumpkin flavors permeate coffee shops and the morning air crispens, trees’ leaves have begun transitioning from green to shades of red ...

So, we know why leaves change color. The next step is for them to fall. As the temperatures drop and the nights grow longer, the trees decrease the production of auxin, which is a hormone in trees ...

A common one on fruit-bearing trees is yellowing of the leaves — it can be both unsightly and concerning, as you anxiously ...