It looks like the peach frayed the worst. I would put a piece of cardboard under the edge of it and iron the fray flat. Then I would see if there was enough material left for the white to be hand ladder stitched on top. After the hand stitching is done, I'd add a hand appliqued butterfly with my name or little message on it on the spot. Good luck and your quilt is very pretty. The peach and turquoise makes me think of spring.