Rick I forgot to mention that I did have 5 inches of mulch on top of the lilies in the fall before the winter set in. Do I do this after a big frost has come?? maybe I put the mulch down at the wrong time.
I think personally this frost/thaw is a big issue here...... tulips came up early this year and even before the daffs that is very strange. Never seen that in all my years to be honest....
the ground freezes and then in the mid of Dec we have weather way up in the 70's for some strange reason and a month before that 2 feet of snow on top........
Ontario usually does not get this strange type of weather but it seems last year we did big time..........
and in the end almost the total great lakes were covered in ice.......
I wander if I should mulch like you said after the first big snow has set in??