So when the leaves fall off, they're getting kicked out by the tree on purpose. "Trees lose their leaves to conserve energy and to reduce the amount of damage they could sustain during the winter ...

This weakening allows the leaves to fall from the tree due to rain or a breeze. There is a second layer to the abscission zone known as the protective layer. This layer helps protect the tree from ...

Deciduous trees — or trees that lose their leaves in the fall to preserve energy — are changing along with the climate. Weather and climate change are affecting the timing and brilliance of ...

An early freeze that catches a tree unawares can do the same or can cause its leaves to turn straight from green to brown before falling off. That’s because freezing water rips open a leaf from ...