background is a tad busy i think. but generally the blue is a nice standout color. maybe deeper bokeh, blurring and obscuring the green would work better for me.
5 - Well that's unusual. I like the 'lines' etc. Criticism; no idea what type of flower this is so will come back post challenge to see, looks 'out of place' but who knows. Given the unusual color combinations, perhaps a slightly more 'off centered' composition may have made this even better, possibly a slightly sharper angle too, not sure.