Why are so many acorns on the ground in Chicago? It's a 'mast year
By A Mystery Man Writer
Last updated 17 Jul 2024
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://cst.brightspotcdn.com/dims4/default/017f1e0/2147483647/strip/true/crop/6122x3442+0+263/resize/820x461!/quality/90/?url=https%3A%2F%2Fcdn.vox-cdn.com%2Fthumbor%2F-9RAxz2vCrR-wQxrozSbGzvo6Ac%3D%2F0x0%3A6122x4083%2F6122x4083%2Ffilters%3Afocal%283435x1984%3A3436x1985%29%2Fcdn.vox-cdn.com%2Fuploads%2Fchorus_asset%2Ffile%2F24941938%2FACORNS_092223_01.jpg)
The abundance in acorns this fall is the result of a phenomenon that happens once every few years, in which oak trees produce far more acorns than normal.
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://www.cjr.org/wp-content/uploads/2019/11/AdobeStock_176901660-scaled.jpeg)
A 'mast year' for acorns - Columbia Journalism Review
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://i0.wp.com/bcc-newspack.s3.amazonaws.com/uploads/2023/09/Screen-Shot-2023-09-22-at-1.21.31-PM.png?resize=780%2C1040&ssl=1)
Squirrels Have Gone Wild' Celebrating An Acorn Surplus
Look out below! An abundance of acorns is raining down this year.
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://evergreencounseling.com/wp-content/uploads/2022/12/Image-Cindy-1.jpg)
Cindy Hernandez's Instagram, Twitter & Facebook on IDCrawl
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://images.theconversation.com/files/301776/original/file-20191114-26202-8v7s3l.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
Tons of acorns? It must be a mast year
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://cst.brightspotcdn.com/dims4/default/b066002/2147483647/strip/true/crop/6122x3495+0+237/resize/1461x834!/quality/90/?url=https%3A%2F%2Fcdn.vox-cdn.com%2Fthumbor%2F-9RAxz2vCrR-wQxrozSbGzvo6Ac%3D%2F0x0%3A6122x4083%2F6122x4083%2Ffilters%3Afocal%283435x1984%3A3436x1985%29%2Fcdn.vox-cdn.com%2Fuploads%2Fchorus_asset%2Ffile%2F24941938%2FACORNS_092223_01.jpg)
Why are so many acorns on the ground in Chicago? It's a 'mast year
If it seems like there are a lot of acorns this fall, you might be seeing a 'mast' year
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://www.lastwordonnothing.com/wp-content/uploads/2017/10/2048px-Southern_Red_Oak_Acorn_MD_Beltsville_2013-09-30-18.38.50_ZS_PMax-475x401.jpg)
The Last Word On Nothing It's Raining Baby Oak Trees
Why are there so many acorns in Sonoma County this year?
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://content.osgnetworks.tv/northamericanwhitetail/content/photos/ManagingMast-Hero-1200x800.jpg)
How To Properly Manage For The Most Mast - North American Whitetail
![Why are so many acorns on the ground in Chicago? It's a 'mast year](https://media.kvue.com/assets/KVUE/images/70e55c2d-cb10-4e92-8a75-1deb67f17eaf/70e55c2d-cb10-4e92-8a75-1deb67f17eaf_750x422.jpg)
Why are so many acorns falling this year in Texas?
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