Planting and Last Frost Dates, Maps
| 50:50 Last Freeze - DuPage = May 5 Latest freeze May 20* 
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50:50 First Freeze - DuPage = October 10*
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Number of frost free days - DuPage = 170 - 180*
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* From Gardening in DuPage County by Cynthia G.
McCabe © 1995.
Maps from University of Illinois Extension Service. |