GDD Tracker: Michigan, Illinois, Indiana, Ohio

Predicting pest outbreaks by calendar date is unpredictable and unreliable from year to year. Growing degree-days accumulate heat unit to accurately predict biological phenomenon even when the weather is fickle. GDDTracker is a online tool created for turfgrass managers in the US Great Lakes Region (Michigan, Illinois, Indiana and Ohio); helping them predict pest outbreaks and application timing for their location.