A Pink Carnation.........

....... to go with a White Sports Coat.
If you get that musical reference you must be as old as me. The song was recorded by Terry Dene in 1957 ( I would give you the link if I knew how to do one.)
Thank you so much BikerBear for hosting the Flower Friday Challenge.
p.s. If you would like to listen to the song, check out evolybab's reply below.  She has provided the link.  Thank you evolybab.