In this Milwaukee Magazine article, Dan Blazer from Davey's Milwaukee office breaks down the science behind leaves changing color in Milwaukee. 

Posted: September 30, 2025

A forest in the distance with a mix of red and green foliageThe autumn equinox has officially arrived, marking the beginning of fall and the showcasing of the early stages of tree leaf color changes throughout Wisconsin.

It can be a magical time of year, as leaves burst with a spectrum of brilliant colors. Peak season is still a couple weeks away for most of the state, still leaving plenty of time for leaf-peeping excursions, whether Up North or right here in and around Milwaukee.

A cold start to September caused some to speculate on an early color turn, but temperatures have been well above normal, with plenty of sunshine, since then.

“Things haven’t even really begun here yet, and not even that much in the far north,” said Dan Blazer, a certified arborist with Davey Tree Service in Milwaukee. “You’ll see some red maples and sugar maples start showing a little bit of red Up North. But here in Southeastern Wisconsin, if we keep getting rain and the temperatures stay in the 60s and 70s, it’s not going to happen for another three weeks or so.”

To continue reading this article, click here. 

For more information, contact the Milwaukee office. 

The Davey Tree Expert Company, headquartered in Kent, Ohio, provides research-driven tree services, grounds maintenance and environmental and utility infrastructure consulting for residential, utility, commercial and environmental partners in the U.S. and Canada. As one of the top ten largest employee-owned companies in the U.S., Davey's 12,000 employees have been dedicated to creating and delivering sustainable solutions since 1880. Apply today to join the Davey legacy, and learn about how we're growing with our new SEED Campus

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