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 two hydrangea plants (Vanilla Strawberry) from last year. I never cut the dried flowers off from last summer. What do I have to do this spring to ensure they get new flowers this summer? I live in zone 8a. Can my BloomStruck take 6 hours of direct sun and evening shade? There is a ring – maybe permamulch – around my hydrangea. Do I leave it on when I plant it. What side of the house do you plant summer crush?