The Jasmin - Giorgos Seferis

Jasminum polyanthum image from here

Whether it's dusk
or dawn's first light
the jasmin stays
always white.

Giorgos or George Seferis (Γιώργος Σεφέρης) was the pen name of Geōrgios Seferiádēs (Γεώργιος Σεφεριάδης, 13 March [O.S. 29 February] 1900 -Sep 20, 1971)