I want to ask you people do the groom and groomsmen have to wear a boutonniere for the wedding? I mean is there a law somewhere saying they have to. Our wedding is very simple. I want a simple single rose with lily grass, or possibly a carnation if it is cheaper. How expensive do you think each of these would be? Please if you give me the information in detail it will be of great help. Thanks in advance and have a nice day.