Josefiblume

The German name of this flower "Josephiblume" refers to the time when this little flower begins to bloom.
Joseph's name day is March 19

English Wikipedia: https://en.wikipedia.org/wiki/Scilla_bifolia
German article: https://gartenstreifzug.wordpress.com/2017/03/18/josefiblume-ein-kleines-ungeheuer-im-fruehlingsgarten/