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 HOW DO I KEEP MY HYDRANGEA PINK? I purchased back in april planted them around they same time. They did great for a week or two before after that the flowera look dryed up or burnt. I been watering a least twice a day as recommended since they are heavy drinkers. My ph is around 7. Do you have any suggestions, the foliage looks pretty good. Do I need prune the dead flowers? By the way this es endless summer hydrangea. Why is the plant turning black? Planted Twist and Shout Hydrangea yesterday according to directions. Drooping today. Will it survive? What do I need to do?