"WHY WHY WHY WHY?!?!?!?!?!?!? I CAN'T SUFFER YOU!!!!!!!! I CAN'T!!!!!!!"
Then he remembered plan Z: the rocket. Ghost took his one-person rocket, put it in front of Tree, possessed him to enter in it, and use it to send him on Mars.
"That's it! That's it! He is gone!"
Ghost looked at the rocket while it reached the atmosphere, and then started to plant some new roses, in another part of the garden this time.