When Autumn Leaves Start To 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! (Encore)

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When Autumn Leaves Start To Fall

When Autumn Leaves Start To Fall

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Baker Lake is surrounded by Fall colors on October 8, 2022 near East Bolton, Quebec, Canada. SEBASTIEN ST-JEAN / AFP via Getty Images hide caption

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SEBASTIEN ST-JEAN / AFP via Getty Images

Baker Lake is surrounded by Fall colors on October 8, 2022 near East Bolton, Quebec, Canada.

SEBASTIEN ST-JEAN / AFP 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! (Encore)

Keep the listener mail coming! Email the show at shortwave@npr.org.

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