Question WHEN IS THE BEST TIME TO PLANT CREEPING PHLOX? Answer Creeping phlox is a tough plant! You can plant it either spring or fall. If you plant it now, you will be able to enjoy it early spring when it flowers. Tags: CareDesignFAQProjects Related Questions I have 2 rose bushes that I need to plant. I live in Colorado and have a north facing front and south facing back. Where is the best place to plant them and how? My Endless summers are doing well but have branches sticking up that don’t have leaves or buds. Should I cut these branches? When and how do I prune Vanilla Strawberry hydrangea? I HAVE A BLOOMSTRUCK REBLOOMING HYDRANGEA AND IT SEEMS AS THOUGH THE BUDS HAVE DIED ON LAST YEAR’S GROWTH, BUT I DO HAVE NEW GROWTH COMING IN. SHOULD I BE WORRIED?