We were allowed (at a distance) to look behind the scenes at the J. de Jong en Zonen nursery, and we asked owner Frans de Jong a few questions about Labour Day. The nursery is a family-run company that was founded 106 years ago. They grow a variety of perennials and shrubs, including the Convallaria, also called Lily of the Valley or May bells. Especially in France and Belgium, lilies of the valley are given to loved ones, especially to mothers and grandmothers, because the flower is said to bring happiness. ‘Une Porte de Bonheur’, as the French say. There are different stories about the origin of this tradition. For example, it is said that the flower is given away to celebrate the end of the winter and to wish the lucky recipient all the best. What we are sure of is that the Convallaria majalis has been linked to Labour Day since the beginning of the 20th century.