A pink Phlox, "Baby Face" is in the Southwest Garden: C quadrant 2. (SWGC#32)
"Sweetly fragrant, this hybrid Phlox is heavily flowering and grows to an intermediate height perfect for the middle of the border. Baby pink flowers have a cheery deep rosy pink eye. Phlox arendsii is a cross between P. divaricata and P. paniculata" -https://www.bluestoneperennials.com/PHBA.html