Ask the Expert: Peace lily lower leaves turn yellow and then die? I repotted my peace lily about 18 mos. ago. The lower leaves turn yellow and then die. At first I thought it was just the shock, but it continues to lose leaves. It was a huge plant and now is looking rather pathetic. HELP!!! I love this plant. It is in a south window, but gets limited direct sunlight. I have it in a self-watering pot. Any ideas would be appreciated. Linda Flower Shop Network's Plant Expert Rely: This peace lily problem is directly related to a water issue. Normally, I would assume too much water. With self-watering pots it is hard to tell. It could be getting too much or not enough. Another issue could be that the plant was planted too deep when re-potted. The top of the root in the old pot should have been the top of the root ball in the new pot. In other words, you should not have added any soil on top of the plant. If you think you place the plant deeper than it was, you [...]