A new and unique cultivar of garden phlox named Phlox ‘;Kung Fuchsia’; multi-stemmed, short, upright, slowly-spreading habit with clean green, glossy, lanceolate leaves with exceptional powdery mildew resistance. Foliage is thick with stiff stocky stems. Sweetly fragrant flowers of bright fuchsia faces with light pink eye zones markings are produced on multiple branched peduncles and cover the top of the plant beginning early summer about two weeks prior typical Phlox paniculata cultivars. ‘;Kung Fuchsia’; is especially suitable as a potted plant, for the garden, for attracting hummingbirds and butterflies, and for cut flower arrangements.