Peace lilies come in many varieties, from small delicate leafed plants to ones with giant elongated leaves. They can all produce a white bloom. It is not a good idea to let the foliage droop severely between watering on a consistent basis. Once these plants droop and then are watered, they stand back up, but because of the strain on the plant a few of the lower leaves will turn yellow and must be removed. This is due to root system damage, and as a result you will have to keep the soil moister. Try watering a peace lily thoroughly and then let the soil at the top dry out to the touch (about two inches down).

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