Blazing stars are popular garden plants for their colorful clusters of pink or white flowers on spikes up to 5' tall. This species only flowers for a short time and is well adapted to droughty or rocky sites in prairies or fields or oak woodlands. Flowers are pink to purple in clusters attached to long narrow stem.
The rough feel of this plant comes from stiff white hairs along the stem.The species name 'aspera' is latin for 'rough'. The flowers of Rough blazing star tend to bloom in late August and early September. The seeds often ripen in October and November.