Gay feather flowers

Gayfeather (Liatris spicata) is a flowering perennial plant with tall spikes of showy purple or white flowers. Also called blazing star or prairie star, Liatris spicata grows in clumps and prefers moist, marshy ground.
Liatris, also known as blazing star or gayfeather, is a long-blooming perennial wildflower. It has highly unusual flower heads featuring tiny and colorful star-like blossoms arranged around a long upright bottlebrush spire.