The challenge was to take a photo that would convey 'Delicate' to the viewers and voters. In a strange way this ornamental cabbage just about does that. You have not included any information on processing, so I can't comment on how it may have altered the original. I am guessing that this is near enough straight out the camera, perhaps a bit of sharpening was used.
My biggest problem with your shot is the size, although not really small, it is not using the maximum permitted - 640x640. To create an impact, you need to get your photos to 640x640 and 150k to do well in challenges, you will suffer if you enter small photos. The cropping is very tight, but I assume that was to eliminate the soil that is just visible in the top right of the shot. Also, clean up the subject before shooting, the dead leaves do not add anything to the shot. The spot of water in the centre is distracting and either focus right in on it or get rid of it before taking your picture.
I like the fractal-like patterns created by the leaves and also the colouring, especially where the purple veins run into the green/blue. For a first effort this scored well and I am sure if you use size properly next challenge you will do well. I hope this is helpful and constructive.