Is it true that in France they celebrate May 1st with Lily of the Valley? Found this info below:
Steeped in tradition and history, the lily of the valley flower is a very special gift in France during the month of May.
French tradition
Traditionally, sprigs of lily of the valley are handed out to family members on Fête du Muguet (or Labour Day). It's a tradition that has been celebrated for many years, since the 16th Century, and is seen as a symbol of good luck for the upcoming year.