Attached, from Carl Bogdanoff, is the Winter Grape Bud Hardiness results for late October. The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on October 27th and 28th in the Okanagan Valley.
Prepared by Carl Bogdanoff
Agriculture and Agri-Food Canada,
Summerland Research & Development Center Wine Grape Research