Do mandavilla like being root bound
Transplanting Mandavilla in Fl or Leave in Pot
Certified GKH Gardening Expert
They can tolerate it, but It will not hurt to transplant. If you want a little more control, I would put it in another container. If you are In zone 9 or above, then it can go outside. If you are in the part of Florida that is zone 8, then you will have to leave it in a container.