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Here's Why Leaves Change Color During The Fall : Short Wave Botanist and founder of #BlackBotanistsWeek Tanisha Williams explains why some leaves change color during fall and what shorter days and colder temperatures have to do with it.

Plus, a bit of listener mail from you! Which you can always send by emailing shortwave@npr.org.

Short Wave

Micro Wave: Why Do Leaves Change Color During Fall?

Micro Wave: Why Do Leaves Change Color During Fall?

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Fall foliage along Riverfront Drive in Reading, PA. MediaNews Group/Reading Eagle/MediaNews Group via Getty Images hide caption

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MediaNews Group/Reading Eagle/MediaNews Group via Getty Images

Fall foliage along Riverfront Drive in Reading, PA.

MediaNews Group/Reading Eagle/MediaNews Group via Getty Images

Botanist and founder of #BlackBotanistsWeek Tanisha Williams explains why some leaves change color during fall and what shorter days and colder temperatures have to do with it.

Plus, a bit of listener mail from you! Which you can always send by emailing shortwave@npr.org.

This episode was edited by Giselle Grayson and fact-checked by Ariela Zebede.