Then there's fresh flower cakes....

These types of cakes tend to be very simple to allow the flowers to take all the glory. They are nice at a wedding because they tie together the bouquet, centerpieces, and boutonnieres.

-there's fresh flowers between each layer:

-there's just a topper (you often see ribbon accents with flower cakes to carry the color down in the cake design):

-or else you can have little clumps of flowers (fresh, or in this case made with marzipan):