This description is for Phlox subulata: Phlox subulata is a pretty creeping plant that will grow like a mat across your garden. Great if youre looking for some attractive ground cover, or for a nice addition to your rockery. It has simple, small, narrow green leaves, and delicate bright pink flowers that are around 3cm wide. The plant will only grow to a height of around 10cm, so make sure you plant it where youll be able to see it. This plant has been given the RHS Award of Garden Merit. It will grow best in well-drained alkaline soil.