Add Yahoo as a preferred source to see more of our stories on Google. Phlox grows near a rock. - Olena Lialina/Getty Images Phlox (Phlox paniculata) is one of those garden favorites that offers what ...

Wait until fall frost kills tall phlox before pruning to the ground; fall pruning is keeps powdery mildew at bay. Regular deadheading and light trimming encourage bushier growth, extend blooming, and ...