Liatris spicata
Michigan Native: Yes
Also known as: Marsh Blazing Star
 
This is a native bulb that produces cone like flowers in white and purplish blue.  It is included in bird and butterfly packets.  Liatris attracts butterflies and humming birds and adds wonderful color in July/August to your gardens.  Hardy in zones 3-4 with mulch and zones 5-9 without mulch.