View Christmas Cactus Root Rot Background. A christmas cactus with root rot displays wilted, limp, sagging growth, but an inspection of the roots will tell the tale. Rot is a deadly disease and once it progresses, the only option is to discard the plant and start fresh.
You don't want to keep the roots constantly moist or they'll eventually rot out.
After blooming, your christmas cactus will be entering a growth period and putting out new leaves. Root rot and stem rot are two common diseases that can affect a christmas cactus. It is because this plant likes its roots crowded. I have a quick and easy method to root christmas cactus plant successfully every time!