Check with your local agricultural extension. I just did a quick search and found this which may be helpful:
https://extension.illinois.edu/sites/default/files/illinois_planting_guide_2022.02.02.pdf
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Patricia Nicoll
Saint Mary's Hall
SAN ANTONIO TX
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Original Message:
Sent: 03-26-2024 11:55:33 AM
From: Terri Kosik
Subject: school garden calendar for the Southeast US
Looking for a growing calendar for the Midwest to use with children, we are in northern Indiana.
Thanks! Terri
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Terri Kosik
Early Childhood Development Center at Saint Mary's and Notre Dame
South Bend IN
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Original Message:
Sent: 03-25-2024 11:16:27 AM
From: Nicole Dugat
Subject: school garden calendar for the Southeast US
Hi Nicole! This isn't a circle shape, but there might be useful information here for you. Here's a link to our Alabama School Garden Calendar - with info on what to plant, what to expect each month, and garden-related tasks for each month. It's a free download from our website. Hope this helps! https://schoolyardroots.org/school-garden-calendar/
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Nicole Dugat
Schoolyard Roots
Tuscaloosa AL