POPCORN is listed in the 1979 AIS Checklist as a white self with yellow
hafts, 13 inches tall SDB. Ben Hager introduced it in 1977. The Checklist
does not mention foliage. Since I do not grow POPCORN, I cannot tell you
if it is purple based or not.
Mark A. Cook
Lexington, KY Zone 5/6 Sunset Zone 35