How can I preserve Rose Petals for use at a wedding for a flower girl to throw?

These roses were from a funeral today and someone would like to preserve the petals for use in about a month for their flower girl to throw.

How can I preserve Rose Petals for use at a wedding for a flower girl to throw?
You can preserve them in a flower preservative that dries out the moisture.This product is called 'silica gel desiccant', and it is available in larger craft stores. The flowers will loose some of their color and become very fragile.There will be nothing left after they are walked on. Someone mentioned putting them in a glass bowl around a votive candle. You could place it on the table where you have your guest book. The petals would still be at the ceremony, but wouldn't be destroyed.
Reply:I have many dried rose petals from roses my husband has given me. All you have to do is separate the roses and put them in a fairly dry place. In about two weeks they will be dry enough to pull the petals off. I put mine in a bowl with a candle holder in the middle. Some of the rose petals are over 10 years old, and they are fine.
Reply:the best thing to do would be to either press them in a book and keep it there or pile them up and keep them in a water-filled vase.
Reply:PUT THEM IN THE FREEZER YOU DOPE!!(PUT PLASTIC WRAP OVER THE BOWL)!!!!!!!!!!!!!!!!!!!!!!

DONT PUT THEM IN A BOOK BECAUSE WHEN YOU TAKE THEM OUT THEY WILL TURN TO DUST!!!!
Reply:freeze them maybe be put them in water and then freeze them . pressing them in a book is usually a good idea to preserve flowers but only if you want them dried. that's kinda tough. I've never tried to save flowers for that long with out pressing them. good luck.