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The Conversation USA

The Conversation USA

Why don't evergreens change color and drop their leaves every fall?

  • Written by Barry Logan, Professor of Biology, Bowdoin College
What's happening with the trees that stay green?BingHao/Shutterstock.com

It’s autumn in the Northern Hemisphere – otherwise known as leaf-peeping season. Now is when people head outside to soak up the annual display of orange, red and yellow foliage painted across the landscape.

But mixed among those bright, colorful patches are some...

Read more: Why don't evergreens change color and drop their leaves every fall?

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