Original image taken at Grandma's house. Overlayed with crackled paint and upped the saturation. Used dodge/burn, contrast, sharpen.
EDIT: In answer to some questions, the original image was very colorful (again I upped the saturation), and the "wild" colors in the corners & background were actually other flowers blurred out by the DOF. You can see the original flower image here:
And the original texture image here:
This is phenomenal! It's absolutely beautiful. As I said on someone else's image yesterday: in this technique we usually see photos with muted tones, and it's fabulous to see ones with rich colors instead.