In the beginning of the story Lizabeth was an innocent child. She did not fully understand what it meant to have compassion towards the less fortunate like Miss Lottie. The text evidence used in this scene is that the kids are shouting and throwing pebbles from behind the bushes while Miss Lottie is trying to plant her flowers.
In the middle of the story Lizabeth is angry and shocked that her parents feel they can't support themselves. She pulls up Miss Lottie's marigolds from the ground and believes that this event is her transition from child to woman. The text evidence used is this scene is in night background you see a sad Lizabeth who realizes what she done to the marigolds.
In the end of the story it takes place many years later when Lizabeth realizes that Miss Lottie needed those marigolds because it was the only light she had in a dark situation. She feels compassion for Miss Lottie. The text evidence used in this scene is an older Lizabeth thinking about how Miss Lottie loved those marigolds.