Very good focus on the flowers with a nice blurring of the background so the flowers really stand out. A couple of things would have/could have improved this picture....
1) you could have moved the camera down and to the left a bit, which would have moved the main flower (top of the trio), into the upper right intersection of the "rule of thirds" lines. This would have also eliminated a lot of the bright green background (and, basically blank, area) of the picture, while moving more of the blossoms into the frame.
or
2) you could have cropped the shot tighter on the flowers, again, moving the main blossom according to the rule of thirds, and eliminating the somewhat distracting, light green background. To make the latter work though, it would still have been best to move the camera just slightly so you had whole blossoms on the left instead of a cut off one. Or, you could have cropped even tighter and concentrated on the main trio, cutting out all the rest, turning it into a vertical composition. (btw, triangles are another important compositional element).