Short-lived drought tolerant semi-evergreen perennial with deep blue flowers that are replaced daily from April to August. Widely adapted and naturalized throughout much of the U.S. on well-drained, infertile and disturbed soils. Intolerant of poor drainage, flooded soils or high water tables. Good seedling vigor. Use for reclamation, highways and beautification in xeriscaping and around cabins. Also use in green strips and fuel breaks; semi-evergreen and fire resistant. Eaten by livestock and wild ungulates. Birds eat the seeds in fall and winter.