Clint mentioned this in his
Echinacea Cubit. PowWow Wild Berry is a bright rose/purple colored, seed -grown echinacea that won an All-America Selection for 2010.
If you want seeds, here are the designated AAS seed outlets in TN:
Adamsville Plant World
Brownsville Willow Oaks Flower Farm
Franklin John Deere Landscapes
Hixson Holcomb Garden Center
Jackson Randolph's Greenhouses
Knoxville The Family Tree, Inc.
Kodak Mulch And More Garden Center