Just this year I experienced a fan growing under the ground (actually two fans). A number of years ago I planted "Wally". It flowered the fist year. The next couple years it flowered less. Last year it had fewer fans and didn't flower at all. I decided that I would just dig it up and throw it out this year when I realized it was not going to flower again. When I dug it up I saw, what I thought at first glance, two very white, very thick roots. Then I realized they were not roots, but actually fans growing under the ground. One was about 3" long and the other 6" long. I decided it was in distress probably because of the way I planted it, so instead of tossing it I gave it new home in the garden. The smaller white fan broke off as I transplanted but the larger one was planted fairly upright above ground (difficult to do because it was at about a 90 degree angle from the other two fans in the clump). In no time it turned green, straightened out and looks just as good as the rest of the plant.
