Philistine Champion is from Phil Korth in Wisconsin. He hybridizers in a zone 4 and his flowers are amazing.
http://daylily.net/gardens/pin...
Phil Korths Pinewood Gardens. Most of has older intros (and that includes 2007 intro Philistine Champion) are no longer available on his site. I know of no were else one can get them, sometimes some (rarely) on the Lily Auction.
