Drooping or sagging branches indicate that your cactus plant is stressed in some way. Inadequate water or sunlight, freeze damage, or mealy bugs can stress your cactus and lead to a sagging appearance.

Why would a cactus collapse?

Falling over is a sign of stress in cacti plants. … Some of the leading causes of drooping in cacti plants include overwatering/underwatering, a plant potted in a container that is too large, weak roots/root rot, pest infestation, or lack of sufficient sunlight.

Can you save a collapsed cactus?

A soft, mushy cactus can also be saved by taking cuttings and letting them root for a fresh new plant. Allow the cutting to callus over for a few days before you insert it into the sand. Rooting the cutting may take several weeks.