My brugmansia survived last winter in the garage. It got nipped by frost at the end of October, but I moved it into the garage again and it is leafing out now. I'm hopeful that it will last through another winter.
I have Mandevilla Alice duPont in a pot that I just brought into my office. She also got nipped a bit by frost and the new growth has died. But I think maybe she'll get by. And I have a yellow-flowered vine - gelsemium if I remember correctly - that is two years old and as many inches high also in my office.
I need to get something to kill fungus gnats. Any suggestions?