These are my favorite flowers! They smell so nice. When I look at this, I feel like I'm right in front of them. I'm not a photographer myself, but I know what good technique is, and you handled this really well.
I love the blurring effect that takes place as your eye looks through the flowers. The background is well balanced with the flower in the foreground.
I can't say I see any flaws, but as far as originality goes, flowers are a popular theme, though your techniques used give this piece its originality.