Maybe a peony could actually work as a boutonniere after all. Not sure about the wrap job on this one though...

Peony Boutonnieres groom's peony boutonniere For the groom. peony boutonnieres For the parents (and one for the groom). (They looked slightly different.) Single peony finished with lily grasses.

Ranunculus is a gorgeous, romantic flower perfect for wedding arrangements @myweddingdotcom

10 Popular Wedding Flowers

coral ranunculus boutonniere with movement. Josh and I really like the style of this ranunculus boutonnière especially if we use a solid red ranunculus

Peony boutonniere

Bridesmaid boutonniere: love the small peonies with lambs's ear and the other texture, would be perfect with a chocolate cosmos accent

pink peony Spring Wedding Boutonnieres - Kristina Valdmaa Designs

The color pink isn't just for the bridesmaids! Make those groomsmen match with a pastel pink tie and boutonniere and give them extra brownie points for sporting the color.