Solidago riddellii. Found in wet meadows, shorelines and streambanks. It is useful for wetland restoration, shorelines, cut flowers, and raingardens. Attracts a variety of bees, butterflies and birds. Grows well in moist to wet soil conditions in full to partial sunlight. Height ranges from 2-3′. Yellow flowers bloom in late Summer to late Fall.
More info: https://www.minnesotawildflowers.info/flower/riddells-goldenrod