Cutting back phlox
How soon can you cut back phlox after they have bloomed? Mine finished blooming about a week ago.
Certified GKH Gardening Expert
You can go ahead and cut them back anytime after flowering has stopped. Deadheading them may even promote additional flowering. Here is more information: https://www.gardeningknowhow.com/ornamental/flowers/fgen/deadheading-flowers.htm