Chrysanthemums are symbol of life and beauty. In the story it symbolizes energy and sexuality. The same happens with Elisa. She lives a boring life and an unhappy marriage and she needs attendance. She needs to find herself. She commits to gardening because it is there where she can find her true self. Both, Elisa and the Chrysanthemums, need love.
I don’t even see anything
D.) Ballad
Hope this helps !:)