I think it's mainly the women and the diligent florists that name flowers and assign em to a certain event. I can imagine a sign hangin' on the door: "Please remember your mom or wife. Make her day."

http://kurtwvs.tumblr.com/post/115534400098/i-guess-someone-just-kinda-got-the-idea-and-called

http://kurtwvs.tumblr.com/post/115536349948/might-sound-kinda-weird-and-perhaps-its-just-me