Uploaded October 2023 | Updated September 2026, 2 weeks ago

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David Stevens, the Ed Hasselkus Curator of the Longenecker Horticultural Gardens at the UW-Madison Arboretum, explains the different factors at play that make leaves change color in the fall, and why leaves turn different colors of red, orange and yellow.

See the events coming up at the UW-Madison Arboretum here: https://arboretum.wisc.edu/visit/events/