Yeah, I figured there might be a few other games with the same name. I'll give your game a play later today. Us Grow-bots need to stick together!
In the two platforming sections right after the yellow gate, the second plant is actually optional. You can still progress in the game by just jumping off the first plant and continuing through the cave. Jumping off the second plant earns you a bonus collectible to reward you for your skilled platforming.