Jan 17, Pruning your rose bushes can promote new growth.
If you trim them before the first frost, it could create new buds that will be killed when the first frost comes along. This can damage the plant and make it produce less flowers in the spring%(4). September To Do List. Plant: ornamental & wildlife.
Late month: Perennials, shrubs, ornamental (clumping) grasses; Late month: Cover crops for dormant vegetable beds: clover, hairy vetch, elbon (cereal) rye, Austrian winter peas, or annual rye.