Liatris gracilis

Full Sun
Average to low water 
Size: 2-4' tall x 0.5’ wide
Bloom Time: Late summer to fall

Winter dormant. Attracts various wildlife. Needs support or it will flop over. Adaptable to a variety of soil conditions. 

Price $5.99 (1 gal)

https://www.fnps.org/plant/liatris-gracilis