I bought a texas star at the Farmers Market this summer and have been treating it like the other hibiscus that I own. I was doing fine until recently. I moved to a new house and put in on my back porch. I bloomed one time and then all the leaves fell off except the very bottom ones. Now the top of the plant looks as if it is dying. This morning i moved him inside for fear that it might be gettin to chilly for him outside. Is this normal or whats wrong with him?