Ratibida pinnata is a tall, slender perennial that is found in dry woods and prairies. It does best in full to partial sun with medium soil moisture requirements. Ratibida pinnata has a yellow composite flower that blooms from June to August. The flowers have been known to resemble a sombrero. This is an excellent choice for the back of a sunny border.
[Photo: Ratibida pinnata; Credit: USFWSmidwest, Public domain, via Wikimedia Commons]