Is it appropriate for a woman to send her husband flowers at work?

My wife has been telling me I have a feminine side for a while now. As long as she says it at home no harm done. A few days ago at work I got a promotion and when I got to my desk the next day there was a bouquet of roses and box of candy. I was greatly embarrassed. When I got home she said it wasn't an insult she just thought that would be a good way to congratulate me. She said I was being childish. No one has teased me about it but I am still embarrassed.