 putting cans or noodles or anything in the bottom of your pot does not replace pure drainage. It just doesn't. Because this is the year that no matter what you do, that pot is filling up from the bottom up. And no matter how many cans or noodles you got in there, that plant is drowning. And once root rot starts, it's very, very difficult to get it to stop. First of all, it has to get completely dry to even start the process of