Plains aster

Dieteria bigelovii var. bigelovii,

Formerly Machaeranthera bigelovii. Native drought tolerant perennial with large showy purple flowers and yellow centers, blooming July to October. Found on dry open areas with shallow or gravelly soils in the upper elevations of its range; 4,000 to 12,000 ft. elevation. Often occurs in large masses. Browsed throughout the season by deer and livestock. Attracts a variety of generalist bees, including honey and leafcutter bees.