You don't have to feel limited to the specific flowers used in this bouquet, but use the techniques when creating with any combination of wedding flowers.
This great tutorial is by Leanne Kesler AIFD has inspired many DIY brides to design their own cascade.
For this particular design, she used:
Video Courtesy Floral Design Institute
Leeann Kessler. AIFD
Check out other step by step wedding bouquet tutorials (including other cascades).