A fun way to make your wedding as unique as you are is to have a floral backdrop.
Rather than using flowers as merely centerpieces or bouquets, how about THIS:
at your reception! Your guests will ooh and aah. Or even use a floral backdrop at the ceremony:
What a beautiful setting while exchanging vows. Different flowers will, of course, be available at different times of the year. But don't be afraid to use some color!