Very pretty. I think the top of the image hurts the composition - cutting off the top four flowers would really boost the strength of the composition and focus the viewer on the flowers. A slight bump in contrast would add just a little more pop.
lovely soft light and colors in this cactus shot - but the image really does not grab my attention very much - but i am sure it will look great printed
The composition in this image keeps me looking back. For my tastes, some additional post processing could add extra push to take it to my next level. Slightly more color separation via levels, and a tad more sharpness would raise my vote even more. This is a good, solid entry in this challenge, especially as a floral entry. Cheers!