A hydrangea ‘SMNHPH’ having one or more of the following traits: 1) a compact habit, 2) panicle flowers that, when they age, transition from lime green to white to bright red pink, 3) exhibiting flowers at different age stages, such that an array of colors on the plant are exhibited at the same time 4) dense flower panicle, 5) thick, durable foliage, 6) strong stems, and 7) orange fall color.