Summerland Research and Development Centre
Predicted Grape Hardiness Update for Early November 2021 - BC
Attached, from Carl Bogdanoff, is a chart showing predicted grapevine bud hardiness in the Okanagan Valley for Cabernet Sauvignon, Chardonnay, Merlot, Pinot Gris, Pinot Noir, Riesling, Sauvignon Blanc and Shiraz. For this winter, this chart will be updated and posted with the biweekly bud hardiness reports, and when forecasted minimum temperatures for the Okanagan Valley approach lethal bud temperatures.