"There was so much sky, more than at sea, more than anywhere else in the world." Willa Cather
" Bluebird" Aster laevis Smooth aster
Along with chamisa, it's everywhere in the fall. Seems to like full sun. And butterflies appear around it in droves. Found in open, dry places from Maine to Georgia, west to New Mexico...and British Columbia! Blooms September to October.
Photo above by Calvin J. Hamilton, taken at Petroglyph National Monument. Photos at left and below: as always, if uncredited, by moi.