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 Enter your zip code and obtain a daily calendar of all the phenological events occurring in your area.

Please enter your 5-digit Ohio zip code and a date and the cumulative GDD for that date will be calculated.

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Development of this website was funded by the USDA CSREES through the North Central IPM Grants Program. Phenological data was obtained from research by Dan Herms & John Cardina, and web site development was managed by David Lohnes.