Heuchera richardsonii. Found in fields, prairies, hillsides, open woods and rock outcrops. Useful for groundcover, in rock gardens, for landscaping and in woodland gardens. Attracts butterflies and hummingbirds. Grows well in dry to mesic soil conditions in full to partial sunlight. Height ranges from 1-2′. Green flowers bloom in late Spring to Summer.
More info: https://www.minnesotawildflowers.info/flower/prairie-alumroot