Attached is the Winter Grape Bud Hardiness results for Mid/Late Febraury. The hardiness levels were determined as average lethal temperature exotherms (LTE) measured on buds of several varieties by region collected on February 17 and 18 in the Okanagan Valley.
Prepared by Carl Bogdanoff
Agriculture and Agri-Food Canada,
Summerland Research & Development Center Wine Grape Research