Frost Risk Assessment in Slovenia in the Period of 1981–2020

As spring frost proves to be an increasing risk throughout Slovenia and Europe, a better assessment of is needed. The statistical approach presented in this article consists the conditional probability that last occurs before budburst or flowering. analysis was conducted using two separate phenological models data various grapevine (Vitis vinifera L.), apple (Malus domestica), sweet cherry (Prunus avium L.) varieties locations across Slovenia. increase for ranged from 1 1980, 0.06 12 apple, 180 cherry. Overall, most prone proved Refošk (Teran) Merlot as well Germersdorf variety. We have identified location hilly region with moderate climate where Bobovec variety grown least exposed frost. Although counterintuitive, GDD generally somewhat more efficient than two-phase model BRIN, although not all cases. For purpose study, were calibrated, parameters can serve invaluable information further research topic.