Thanks Neal. They have been in that one spot for about ten years and overcrowding is certainly a problem. I will wait till the green tops die off this coming spring and dig them up. I will replant some there and some in other locations and see if I can get blooms. I have another one with the same growth and bloom habits - just a different color in the bloom - planted in a location that has become mostly shady and they seem to thrive. The bloom is only half of what there would be if they had full sun but they are healthy. I need to thin and move them also. There will be bushels of bulbs from them.