Rattlesnake master
Eryngium yuccifolium

Blooms in full sun July-September
Grows 4-5 ft tall in dry sandy soil
Attracts butterflies & bees 
Spreads by self-seeding
Good for naturalized areas 
Tolerant to drought, erosion, clay soil, dry soil & shallow rocky soil
This plant has a long taproot & transplants poorly once it is established 
Sold in 2x3 inch pots @ 1.99 each