care of my Quisqualis indica “Rangoon Double” plant

Question

I ordered a Quisqualis indica “Rangoon Double” (gal). planted in ground. All leaves fell off. Located near my arbor. Repotted it and placed where partial sun and shade. Leaves came back but all fell off again. Do you think root is still alive and what kind of care does this plant require?

Answer 1

Do the stems bend or snap off and break?
If they bend, it may still be alive.
This article will refresh you on the care requirements.

https://www.gardeningknowhow.com/ornamental/vines/rangoon-creeper/rangoon-creeper-vine.htm