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Why do leaves change colour at different rates? episode artwork

EPISODE · Sep 19, 2025 · 5 MIN

Why do leaves change colour at different rates?

from Question of the Week, from the Naked Scientists · host Dr Chris Smith

Trent wants to know why trees of the same species, in the same geography, seem to change the colour of their leaves at different rates. He's even noticed differences on branches of the same tree! James Tytko sought to provide an answer, with help from Charles Shi, botanical horticulturalist at the Royal Botanic Gardens, Kew. Like this podcast? Please help us by supporting the Naked Scientists

What this episode covers

Trent wants to know why trees of the same species, in the same geography, seem to change the colour of their leaves at different rates. He's even noticed differences on branches of the same tree! James Tytko sought to provide an answer, with help from Charles Shi, botanical horticulturalist at the Royal Botanic Gardens, Kew. Like this podcast? Please help us by supporting the Naked Scientists

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Why do leaves change colour at different rates?

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Frequently Asked Questions

How long is this episode of Question of the Week, from the Naked Scientists?

This episode is 5 minutes long.

When was this Question of the Week, from the Naked Scientists episode published?

This episode was published on September 19, 2025.

What is this episode about?

Trent wants to know why trees of the same species, in the same geography, seem to change the colour of their leaves at different rates. He's even noticed differences on branches of the same tree! James Tytko sought to provide an answer, with help...

Can I download this Question of the Week, from the Naked Scientists episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.
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