Make sure your garden is in good condition during the winter can be a task, but you should be aware of the plants which should not be pruned during January ...
As far as hardy plants not damaged by the cold, you should avoid pruning any flowering trees or shrubs that are blooming now or will bloom before May, including hydrangeas and gardenias.
He also shared advice on which plants to prune this month. For roses, early winter pruning is crucial to "prevent long cane damage" from wind and to "encourage a better spring flowering display".