I placed a yellow flower from a Shrimp Plant in the middle of one of the purple flowers from a vining plant. (I don't know it's name but makes the most beautiful purple flowers on my wall and clusters which hang down from my lattice roof)
I took out the noise, a few hot spots, and adjusted the hue/saturation.
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It looks like your commenters put it very well. This image screams for contrast and color. There is much potential in this photo but it needs some post processing. Contrast and saturation would do wonders. Possibly some sharpening - it is hard to see whether it is in focus or not.
You seem to have done a good job with a shallow DOF as the background is nicely blurred. It would be nice to see this image after some procesing.