seven vernal flowers (Java water dropwort, shepherd's purse, Jersey cudweed, common chickweed, Japanese nipplewort, turnip, and daikon)
seven autumnal flowers (bush clover, Chinese silvergrass, kudzu, fringed pink, golden lace, thoroughwort, and balloon flower)
rice gruel traditionally eaten on the 7th day of the new year containing the seven plants of spring
Feast of the Seven Herbs of Health (January 7); one of the 5 seasonal festivals