Growing Together: A Gardening Podcast · Forum Communications Co.
The science behind fall colors
·45 min·2 clips
Sam asked, Rolf what do you have on your ear? It was a slug, brought into the house.
As heard by us
A plainspoken look at why autumn leaves change color, with a quick dose of plant science.
Fall color is treated as a small mystery with a plain answer: shorter days and cooler temperatures do most of the work, and a killing frost is not needed for the colors to show up.
Why you'd press play
You want the real reason leaves turn red, gold, and purple.
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