Came across this forum entry, that shows some really astonishing pictures and growing of Phragmipedium kovachii in Germany. Perhaps some of our German members have comments?
http://www.forum.orchideen-forum.de/showthread.php?55605-Phragmipedium-kovachii-Teil-2/page8
http://www.forum.orchideen-forum.de/showthread.php?55605-Phragmipedium-kovachii-Teil-2/page8