Posted on 2022-11-202022-11-20 by the_dr_blue11/16/2022 a previous frost Away from the shelter of the oak tree, lots of plants are getting frost, including the wine cups we grew from seed and planted last spring. The rosettes will stay green all winter, I believe. They show off the frost beautifully as it avoids the veins, creating a pattern of frost with greener veins. The frost hasn’t killed the apple leaves yet either. Another apple tree with light frost.