I recently made a custom silk bouquet set that had faux lemons and limes in the bride's bouquet. At first I was little skeptical about how they would turn out, but they came out really pretty. They had white, yellow, and green tulips, white and yellow roses, green hydrangea, and some grass to give them some height. If you need a custom bouquet set for your wedding contact through my etsy store eventsbytammy.etsy.com.
Top of Bride's Bouquet
Maid of Honor Bouquet