Go into the attic before that plant starts to REEK (and it WILL REEK!) ... and throw it away. If they find it ( and they WILL when it starts to REEK) then YOU"RE screwed. If the cops somehow find it your PARENTS are screwed.

Not to be condensending..but you're too young to be making that kind of decision.

Wait untill you're 18, move out, and grow it in YOUR house. Or better yet, get a hobby and dont start in the first place!