If you have a particular theme that requires special types of flowers such as rare or out of season flowers be sure to talk to your florist and floral arranger several weeks in advance. Be open to recommendations for available substitutions or accept that silk flowers may be needed for those varieties.
Live flowers as a decoration on the wedding cake are always popular. If you are planning this be sure to talk to the cake decorator and also coordinate with the florist so the flowers are properly prepared to be used on the cake.