This is a really nice idea, but the lighting seems a little off to me (some over exposed areas and too much shadow) and the towel is a little distracting. You may want to try reshooting next to a window (without any artificial lighting) and if you can, raise the flowers up from the towel so you can blur the background out a little (like it is in the background).
The flowers are beautiful. I think that a bottom up shot may have been a little easier on the eye for this particular shot. Also, If the flowers had been suspended off the background (I think it's a towel), the background would have been more out off focus, which would have, IMO, kept my focus on the flowers. I think this shot could have benefited from some other light source. Hope this helps.