Only an idiot would give flowers full stop, if you're going to give flowers at all, all you're setting yourself up for is continual gift giving, otherwise she's going to think you don't like her anymore because you're not wasting money on something for her...
Does a girl ever bring the guy a present on the first date? Nope, in this day of 'equal rights', then why the $$% not...
If I ever bought a girlfriend flowers, I'm guessing I would have got a swift punch to the face, being that she would think I must have done something pretty bad to be giving flowers...
If you want to be whipped for all eternity, then go, give flowers, if you want to retain some dignity, and still get some using some good old fashioned charm, then don't...