Do Phlox Repeat Flower. Deadheading simply involves snipping off the top cluster of flowers that have finished blooming while leaving any lower flower buds alone. However there is a disclaimer not all garden phlox blooms at the same time in summer.
You can trim the stem after flowering to encourage a second bloom. Just as for annual phlox it appreciates rather rich soil. To keep your plant growing well and to prevent it from becoming congested divide it every three or four years in early spring.
By using a technique called deadheading phlox can be encouraged to keep producing flowers.
All of these may prevent your flowers from blooming even if they do not kill the plant. The flowers bear a mild fragrance and come in a wide range of colors. 26062020 Trimming or pruning of the Phlox plant is necessary to ensure that the plant grows and blooms well. Apply some mulch and a layer of compost to prevent weeds.