Eight ranks: eighty years old.
Hemerocallis: Hemerocallis is also called Hemerocallis, which means to forget. The earliest written record can be found in the Book of Songs Feng Wei Bo Xi: "The grass can't be obtained, but the back of the tree can be said." This is a plant that symbolizes mother.
Qian Qiu: Birthday is synonymous.
Flat peach: Peach is related to longevity in China culture (so eating the cool flat peach of the Empress Dowager can make you live forever).
The couplet means that mother's eightieth birthday is coming, and I wish her a long life and good health (with a blue face and a red face).