I did a search on google for surprise lilies and a bunch of interesting links came up... whiteflowerfarm.com and I found you can also buy them on EBay. I had never heard of them and I love lilies. They are gorgeous!
I'm told that not enough water can affect blooming. Is there a chance that you could dig up the ones you have and replant some of the bulbs elsewhere?? Maybe dividing them will help. Especially if they have become too crowded for the soil to supply enough nutrients.
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