GDD base 50 accumulation for today = 3539 http://agebb.missouri.edu/weather/reports/gddTable.asp
Phenology stages according to the Modified E-L System http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf
Basically, all of the stages are the same as last week, so please refer to the September 17, 2018 photos and stages.