Mandarin Style Tux - boutineer?

My fiance likes the mandarin style tux, it has no lapel. Do I still need to get a boutineer, if so where do we put it? Can we just do handkerchiefs for all the guys.

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Looking for dresses can drive you insane! I also had to decide between a traditional wedding dress with lace, and a modern, summery and elegant dress. I kept wishing I could buy all 5 dresses I fell in love with, and change every hour. But at some point you just decide, and then go with that look. Good luck!