I tend to only give flower photos a cursory glance, but this one gave me pause and held my attention.

The way you framed the photo in post-processing works really well. I like the crisp sharpness of the petals, and the contrast of their shape and color to the rounded lilies. The center of the flower seems to border on being too bright, but you can still see the stamen well enough, and obviously this brightness helped draw me to the image in the first place.

The muted light in the background, and the capture and position of the flower's shadow is perfect. I also like that the boundary between air and water is not always clear, which helps give the image a slightly ethereal and peaceful feel.

I must admit the longer you look at it however, the more dirt and imperfections become apparent on the lilies. While this gives it a real world feel, it subtracts a little from the “ picture perfect ” image you might consider putting up on your wall at home. This might sound odd, and may not have been possible, but slowly pushing some of the lilies into the water with a stick might have helped wash some of the dirt off, and left interesting water drops on them when they came back to the surface. (This is something I have seen someone do!)