Picture from the Texas A&M Extension Agency.

The Dense Blazing Star is one of the many beautiful Texas wild flowers .   Its Scientific name is Liatris spicata , and the Scienitific classification is Asteraceae .  The blooming season of the Dense Blazing Star is June through September .  They  have beautiful purple flowers and the heighth is two to six feet . You have to plant it in Texas . they need full sun and need moist , well drained , fertile soil . Some other interesting facts are . That they can be cut and put in a vase and last for about six to ten days .