Area Wine Growers Protecting Vines From the Frigid Temperatures Posted by Ginny Henry | January 28, 2014 | BruceGreySimcoe, CTV Barrie, damage, frigid temperatures, Georgian Bay, Georgian Hills, Ontario, protect, Roger Klein, RTO7, vineyards, wine growers Temperatures below minus twenty can damage crops so an area vineyard is being proactive. Georgian Hills Vineyards is using tractors and taking advantage of our deep snow falls to protect their vines. Roger Klein of CTV Barrie has the story.