Any suggestions on where/how to obtain culinary quality flowers?
How far ahead can I make the flowers, and how do I keep then until used?
There is a slight ( 1/20000) chance of raw eggs being contaminated with salmonella. While many will consider this an acceptable risk, I believe that readers should be made aware of the risk and the availability of pasteurized egg whites as an alternative.
You can also use orchids. This makes a wonderful decorated wedding cake that you can do yourself.