How to winterize bush morning glory

Question

I am told that I should cut the plant down to about 6” above ground and cover with mulch in Texas. My plant is about 8’ tall with branches. Please help before I kill the plant

Answer 1

Yes, that is what our experts say. Here's an article that suggests that exact thing: https://www.gardeningknowhow.com/ornamental/vines/morning-glory/prune-morning-glory-plants.htm