COLLEGE OF FOOD, AGRICULTURAL,
AND ENVIRONMENTAL SCIENCES

The Ohio State Phenology Calendar

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Wooster on 5/19/2026 7:09:35 AM is 597 GDD

The GDD on 5/19 in previous years:


  • 2025: 481
  • 2024: 565
  • 2023: 404
  • 2022: 453
  • 2021: 416
  • 2020: 319
  • 2019: 397
  • 2018: 425
  • 2017: 525
  • 2016: 375
  • 2015: 434
  • 2014: 356
  • 2013: 431
  • 2012: 595
  • 2011: 333
  • 2010: 460
  • 2009: 401
  • 2008: 364
  • 2007: 453
  • 2006: 417
  • 20 Year GDD Average for Wooster on 5/19 - 430
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Denise Ellsworth
1680 Madison Ave. | Wooster, OH 44691
Phone: 330-263-3723 | ellsworth.2@osu.edu


Ashley Kulhanek
4046 Medina Road | Medina, OH 44256
Phone: 330-661-6404 | kulhanek.5@osu.edu


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