It looks like a rose and blooms around Pentecost: the Pfingstrose or peony. The flower was used for medicinal (and magical) purposes but also as an ornamental flower.
Tag: Nature
The Ice Saints or Eisheiligen in Germany are the days of May 11 (12)-15, ending with the Cold Sophie (Kalte Sophie). These days might see low temperature and night frost which is why you shouldn’t plant before those dates.