I get flowers, card and chocolate covered strawberries, and I ain't givin' that up, homey.
It's one of the only times of year (besides birthdays and anniversary) that a girl is
supposed to receive flowers. We girls love to get flowers.
How about soap/lotion/bath type stuff? To give it a more unique feel, buy them from the local health food store, then explain what each thing is for, aromatherapudically or otherwise. I'd be so impressed and tickled if my husband did that for me.
Bake for her! Make her a special batch of cookies just for her! Or, make her dinner.