Why People Give Yellow Flowers Every September 21, and How an Argentine Series Started the Tradition

Every September 21, yellow flowers return to social media feeds and streets across parts of the region. Couples, friends and families use the gesture to show affection, offer good wishes and celebrate the arrival of spring.

The tradition's particular meaning in the Río de la Plata dates back to Floricienta, the Argentine television series that premiered in 2004 and starred Florencia Bertotti. Its song “Flores amarillas,” together with a well-known scene in which the main character receives a bouquet of yellow flowers, left a lasting mark on popular culture. Years later, social-media platforms helped revive the custom.

Yellow flowers are commonly associated with energy, optimism, vitality and friendship. There is no single formal meaning, and interpretations can vary according to the culture or the type of flower. Today, the trend covers both romantic gifts and gestures of affection between people close to one another.

The date depends on the hemisphere. In countries such as Uruguay and Argentina, the custom centers on September 21, which coincides with the beginning of spring and Student Day. In the Northern Hemisphere, the same practice moves to March 21, when spring begins there.