Do we say " There is a flower in or on her suit."

[Helped Wanted]

Which preposition is best used here in the sentence? Thanks for helping!

There is a flower (in or on? )her coat/suit.

[Casiopea]

Which preposition is best used here in the sentence? Thanks for helping!

There is a flower (in or on? )her coat/suit.

There is a flower pinned to her lapel.
There is a flower in the button hole of her lapel.
She is wearing a flower on her lapel.

:D

[Helped Wanted]

Thanks again for helping! ^o^