This Map Shows How Growing Seasons Are Shifting Due to Climate Change

EPA data shows that in some parts of the United States, the growing season is 50 days longer now than it was 1895.

Sky Chadde Investigate Midwest

A soybean field in central Illinois in the fall of 2018. Photo by Darrell Hoemann, Investigate Midwest

Editor’s Note: This article as originally published by Investigate Midwest.


Over the past century, the length of the United States’s growing season — when crops are planted and cultivated — has increased by about two weeks, according to data from the Environmental Protection Agency. Only two states have seen their growing seasons get smaller.

The West has seen the largest increase, with California leading the way.

The EPA identified a few problems associated with an increased growing season. It could limit what kinds of crops are grown, or it could breed weeds. It might also disrupt a state’s ecosystem, according to the EPA.

Investigate Midwest is a nonprofit, online newsroom offering investigative and enterprise coverage of agribusiness, Big Ag and related issues through data analysis, visualizations, in-depth reports and interactive web tools. Visit us online at www​.inves​ti​gatemid​west​.org

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Sky Chadde is the managing editor for Investigate Midwest. Previously, Chadde was the Center’s USA TODAY Agriculture Data Fellow. In 2019, he graduated from the Missouri School of Journalism with a master’s degree in investigative reporting. He’s covered Missouri state government for the Columbia Missourian and the St. Louis Post-Dispatch. Before grad school, he was a reporter in Texas, covering local governments and law enforcement. At Investigate Midwest, he focuses on data journalism.

Democratic Rep. Summer Lee, who at the time was a candidate for the state House, at a demonstration in Pittsburgh for Antwon Rose, who was killed by police, in 2018. Lee recently defeated her 2024 primary challenger.
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