GDD base 50 accumulated since April 1 = 2642 (+381 departure from normal) at Mountain Grove
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
We harvested the remaining Cayuga White from the Research Vineyard (5 rows) yesterday. We havested the Seyval Blanc from the Research Vineyard and the Cayuga White from the Foundation Vineyard today as well. Chambourcin is almost fully colored. Concord and Sunbelt are beginning to go through veraison and Norton is showing a few colored berries here and there.