Why Do Some Trees Keep Their Leaves Through Winter?
Above: Oak trees at Murphy-Hanrehan Park Reserve hold onto their leaves through winter. Photo by Erin Korsmo. At the end of fall, most deciduous trees lose their leaves for the winter season. In fact, the word deciduous comes from the Latin word decidere, which means to fall down or off. There are, however, a handful of deciduous trees around these parts that have a tendency to keep their leaves past fall. It is an interesting phenomenon that is not fully understood. But before we get to that, let’s go through a few of the basics.
Why do trees lose their leaves?, Faculty of Sciences, Engineering and Technology
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What Happens To Leaves During Winter?, Leaves
From white to green: Snow cover loss and increased vegetation
How do trees survive the winter? - National Forest Foundation
Natural Hoarding? Trees reluctant to let go of their “baggage.”, by Rock Creek Conservancy, Rock Creek Conservancy
The Toronto Tree Thread, Page 25
What's up with trees that haven't lost their leaves yet?
Trees That Do Not Lose Their Foliage in Winter
