From the following chart, we can see that when removed from the greenhouse greenhouse flowers inside, quickly withered under the harsh environment in the thunder and lightning, the petals down.
From the figure below, we can see that when the greenhouse flowers out of greenhouse, lighting accompanied by peals of thunder faded rapidly in harsh environment, petals down to the ground.
From the diagram below, we could see inside the greenhouse flowers when you move out of the greenhouse, in harsh environments with the Thunder quickly wither, petal fall.