Wu Zetian gave an order, and flowers bloomed in the cold winter
The only thing missing was peonies, so no peonies were seen in Chang'an from then on.
The twelve flower fairies in the sky were demoted to the mortal world because of this. Plum blossom
It is the only flower that should bloom in winter, but still
Unable to escape from the fate of being demoted to the mortal world