The best advantage to choosing silk flowers is pricing!
In most cases they are considerably less than their fresh alternative!

Silk flower wedding package-your choice of color, flowers and style
Bridal bouquet
3 bridesmaids bouquets
Groom
3 groomsmen
2 moms
2 dads
throwaway bouquet (because you want to keep your bouquet!!)
Total ..............................................................................................................................................................$250.00

Plus applic taxes