Hi Browny, thanks for playing. there are 2 types of grow-type plants. the first you encounter acts more like a lift. the tricky bit is, that you need to be quick, to jump on the top before it grows too high. I played the game so much during dev, that I only realized late that this is really tricky - but I didn’t have time to make it simpler.
in level 2, the first flower will grow into a ladder. so you should be able to just use Up/Down (W / S) to climb up and down.