Attached is the Winter Grape Bud Hardiness results and the Predicted Bud Hardiness chart for Mid February. The sampled hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on Feb 16th and 17th in the Okanagan Valley.
Prepared by Carl Bogdanoff
Agriculture and Agri-Food Canada,
Summerland Research & Development Center Wine Grape Research