This grower is sure of this plant identification.
cultivar is purpurea 'Bravado'
Purple coneflower, Black samson, Coneflower
Echinacea purpurea (Purple coneflower). This species is an upright clumped perennial herb which is easy to grow. The flowers are large daisy-like flowers and they have a brown central cone surrounded by purple, red or pink, drooping petals. The foliage is comprised of lance-shaped, dark green leaves.
This perennial will require moist, humus-rich, well drained soil. It will tolerate wind and drought. You will need to dead regularly to prolong the flowering.
Border, cutting bed, medicinal. Summer/Autumn interest.