I grow I. histrioides in fairly normal woodsy/clay soil in E. Tenn. It gets summer shade from a dogwood tree and does fine, blooming reliably and seeming to multiply. If I had to guess, comparing your situation to mine, maybe you're giving it too much sun? Bob E. Tenn. _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>