Originally Posted by DanaNVa
Another option is to remove the part of the bottom that is more than 4 inches past the end of the bed and then add a 3 inch sash of the rose color around the sides and the end ( but not the top) and then add a 14 inch piece of the background fabric on three sides. Finish by scalloping the 3 edges and bind in the rose on all 4 sides. I have a quilt like this that I bought.
Another good solution. I don't know if you are up to making a scalloped border, I know I'm not, so I would just make the outside border a straight one.