Using real flowers on your wedding cake is an simple yet elegant way to make your cake that much more gorgeous. Of course, before doing so, you need to make sure that none of the flowers you choose are poisonus. Here are some ideas of flowers that are edible, and some that are poisonous.
-Daisy (the little Bellis perennis)
-Garden pinks or Carnations
-Viola (Pansies and Johnny-jump-ups)
-Many Lillies, particilarly Daylillies
-Daffodil (especially the bulb)
Of course, this is just a short list of edible/poisonous flowers. Always check with your florist to make sure the flowers you choose for your cake are safe.
photo credit: http://www.reception-wedding.com/