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 need the card that accompanied my tree, I need the directions for planting and care. When I cut the information off of the tree, it broke in many pieces. Help, please! Where on the endless summer stem do I cut the blooms when I want to use in vases or because the bloom is spent and needs to be removed? My Blushing Bride has so many small flower heads. It may be preventing it from growing large flowers. Should I prune some of the small heads? Hi, I bought two ES twist n shout plants from Real Canadian Super store. Grown in similar conditions. One plant is blooming nicely and the other is not blooming at all. Wondering why.