Why Did My Elephant Ears Collapse

Question

This morning all my elephant plant were collapse

Answer 1

This will be hard to say without seeing pictures or knowing anything about the growing conditions of the plant. There are many causes, from root rot, to dry soil, to insects or animals underground, and many more things.

My first though goes to Verticillium, though. This article will help:

https://www.gardeningknowhow.com/plant-problems/disease/verticillium-wilt-treatment.htm