wieniec z kwiatów in English:

The president ended his visit by laying a wreath at the war memorial.

A wreath was bound around his head.

We put a wreath of flowers on our door on Mayday.

We need a new Christmas wreath to hang on the front door. The old one is in shreds. It's the mice, probably.

The girl in the picture has a flower wreath on her head, and not a golden crown.