As long as you make the whole small enough you want get any root rot and as long as their is enough air in the roots you should be fine, so if your really worried just put in a lot of perlite. Also burry the five gallon bucket so that it is plush to the ground anything that looks out of place other than your plants is somthing for people to pick up on. hope this helps good luck
Also burry the five gallon bucket so that it is plush to the ground anything that looks out of place other than your plants is somthing for people to pick up on. hope this helps good luck