Aster Upland White Aster Ptarmicoides is a low-growing herbaceous perennial. Also known as Upland White Goldenrod or Solidago Ptarmicoides this wildflower can be started from seeds indoors or outdoors. The established Upland Aster forms mounds of goldenrod-like, shiny dark-green, willow-like foliage that are literally covered with masses of white flowers in August and September, and the silvery-white seed heads carry the show into the fall. The blooming Upland Aster attracts butterflies and bees.