Here is a website that lists many phlox varieties. They all seem to have a wide range of climate zones.
I like the Paniculatas more than the creeping phlox for nothing more than personal reasons.
I have many tall garden phlox that I just added 2 years ago.
http://www.perennialresource.c...
I have mildew but am not able to clean leaves or fuss with my plants. Some varieties seem to have more of a mildew problem than others.Phlox David , a tall whited is very susceptible to it.