David Wees explains the science of fall colours

Published: 6 October 2022

"People think that the colder fall temperatures trigger the colour change, but it’s actually the photoperiod," explains Plant Science Faculty Lecturer David Wees. However, some regions of Quebec are luckier when it comes to fall colours than others: those with a lot of deciduous trees like maples, oaks or even birches. On the other hand, areas that have more conifers will see fewer transformations to their landscape.”

Learn more in Météo Média (French)

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