GDD base 50 accumulation since April 1 = (TBD). 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

Susanne Howard recorded phenology for Monday, June 19th. Photos and stages will be uploaded soon.