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 WHY ARE THE BUDS ON MY JASMINE TURNING BROWN BEFORE THEY BLOOM? Can and when can you prune Vanilla Strawberry Hydrangeas? Is there a rule of thumb as to how much I can trim back? I have my hydrangeas in pots and am moving in October. Is that too late to plant them in the ground at my new home? Would it be better to keep them inside the house, basement or garage for the winter and plant in the spring? Why do my blooms look burnt?