Ask the Expert: why won't the bud on my peace lily open
My peace lily the bud started to open now it is closed tighter than tight.  Cecilia

Plant Expert Reply:

A severe temperature change or lack of water will cause spathiphyllum bud maturity problems.  Make sure your peace lily is moist but not soggy and the air flow around the plant is remaining constant.  I suggest you check for thrips.  I'm not sure of thrips effect peace lilies the same as they do roses, but thrips keep rose blooms from opening.  Thrips are a small slender insect.

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