Chinese-pink is a grown in U.S. flower beds and containers, where it blooms in spring and summer. Its pink, red, or white flowers have fringed petals and often a darker center. American gardeners often grow Chinese-pink as an annual, especially where summers are hot and humid.

Moss phlox creeps into a dense mat no more than about 6 in (15 cm) tall and has tiny needlelike leaves. Chinese-pink grows as a taller clump and has visibly fringed petals rather than five broad, notched lobes.
Why they get mixed upBoth can cover a sunny garden edge with pink flowers.