I'd like to hear some input on this Phlox too. I've planted it a couple of times, eventually it peters out, the same way all the blue Corydalis do in my garden.

A......

Phlox divaricata has never done well for me either. It bloomed a little the first year or two and then died out. I think my garden is too dry for it.

Needs moisture, humus and shade.