Sales at the flower and seedling trading center in Qingzhou, Shandong province boomed around the Qixi Festival, or Chinese Valentine's Day, which fell on Aug 4 this year.

Customers select flowers at the Qingzhou flower and seedling trading center on Aug 3. [Photo/IC]

A vendor arranges flower products at the Qingzhou flower and seedling trading center. [Photo/IC]

The Qingzhou flower and seedling trading center prepares for the soaring demand for flowers during the Qixi Festival. [Photo/IC]

Flower sales at Qingzhou flower and seedling trading center soar as demands grow dramatically around the Qixi Festival. [Photo/IC]

A vendor packs flowers for delivery at Qingzhou flower and seedling trading center on Aug 3. [Photo/IC]

Business is booming for flower sellers at Qingzhou flower and seedling trading center around festivals and holidays. [Photo/IC]