Helianthus annuus. 60 days.
 
Autumn Beauty is a native annual sunflower variety that can often be found growing in the dry areas of meadows, plains, and prairies throughout many regions of the United States.

Sturdy stems reach a height of 5 to 6 feet and produce 4 to 6 inch flowers that bloom in autumn colors including yellow, orange, red, and bronze and attract all manner of bees, butterflies, and even hummingbirds!