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 Q IS IT POSSIBLE TO TRANSPLANT AN ENDLESS SUMMER THE ORIGINAL THAT IS SEVERAL YEARS OLD? I DON’T THINK ITS GETTING ENOUGH SUN TO ENCOURAGE BLOOMING. I HAVE SEVERAL LITTLE DEVIL NINEBARK, BUT DON’T KNOW WHERE TO PLANT THEM? DO THEY LOSE THEIR LEAVES IN THE WINTER? Do you know why is my hydrangea leaves burning? When and how do I prune Vanilla Strawberry hydrangea?