Note that there are also "flower languages" which are really interesting, and I would strongly recommend paying attention to when sending flowers.
See for example Victorian flower language, etc.
See for example Victorian flower language, etc.
Although, personally speaking, I associate red roses with romance and passion, but even this is tenuous nowadays. You can give red roses to anyone.
But I dunno. I still wouldn't give a single red rose to anyone I wasn't interested in romantically.