It comes from the poem "Spring Evening Tour in the Small Garden" by Wang Qi of the Song Dynasty. It means that when the tea flowers bloom, the colorful and beautiful flowers in spring quietly give up the hustle and bustle to the coming blazing summer.
Buddhist allusion refers to the fact that after the flowers bloom, there will be no more fragrance in the world.
Extended information:
Wang Qi - "Spring Night Tour in the Small Garden"
A bunch of plum powder fades away the remaining makeup, and paints the new red begonia.
The flowers are in full bloom, and thorns sprout from the berry wall.
The blooming of the tea flower represents a woman’s youth is a thing of the past. The blooming of tea flowers signifies the end of a relationship. Love is overwhelming, which means that the most brilliant, prosperous or unforgettable love in life is about to be lost. Tumi is a sad flower.
The flowers are blooming - Baidu Encyclopedia