That lens does not give pleasing, tranquil bokeh on out of focus high-frequency detail; look at the way the out of focus stuff to the left side, and across the top of the frame: this is "jittery" or "nervous" bokeh, on small, high-frequncy detail stuff. Not all backgrounds are made up of that type of natural-world stuff; I like the idea behind this photo, and I totally get the idea, but there's a lot of OOF foreground here, and there's a lot of jittery OOF background as well, and the visual payoff is a small fruit. Overall, the mass of OOF elements is large, but the ostensible subject is so small that it does not fully become a good image; perhaps if the focused subject werer larger, or more prominent, this composiional approach would pay off better.
This is actually a compositional strategy, and one that can, and will work, so I would definitely keep this way of shooting in mind for the next time.