130 seeds. Liatris pycnostachya. Perennial.
 
Liatris pycnostachya have tall purple spikes of flowers. It is a beautiful native wildflower to North America. Also known as Prairie Blazing Star and Kansas Gayfeather. Hardy in zones 3-9.
 
Height 42 inches. Spacing 15 inches.
 
Sowing Liatris Seeds: 
 
Start seeds indoors in winter and refrigerate for 8 weeks. Barely cover the seeds with soil. Full sun to part shade.