Gameplay-wise. I found that standing near the flower makes me play the game better, which really defeats the purpose of movement. Also control, it is hard for me to WASD and space-bar on my left while I use the mouse to aim at the same time.
I like the path and the flower you design tho. The player is also cool too. For the punch, you kinda overdone it by tuning the cam shake too high. Other wise it is a fun game. Good job