This pink Phlox 'Baby Face' (may be "Bubble Gum) is in the Southwest Garden: A, quadrant 1. (SWGC#02a)
"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