Carol - Hannah loves this bouquet. It has the amnesia roses, quicksand, and I guess white or off white. Since her dress is white, I would probably go with white. But she would also love dusty miller around the perimeter if it doesn't get too wimpy.
68 Baby’s Breath Wedding Ideas for Rustic Weddings / http://www.deerpearlflowers.com/68-babys-breath-wedding-ideas-for-rustic-weddings/