That is remarkably small. The NC Coop Extension suggests that it’s possible to grow it; see here https://lenoir.ces.ncsu.edu/2018/04/will-that-plant-grow-here/ You should contact them directly for specific advice; the phone number is given. Our research suggests that zone 7b is right on the line of survivability and success, so rather than recommend any particular care, call the coop extension. Here’s another page for the service: https://www.ces.ncsu.edu/ Good luck!
That is remarkably small. The NC Coop Extension suggests that it’s possible to grow it; see here https://lenoir.ces.ncsu.edu/2018/04/will-that-plant-grow-here/ You should contact them directly for specific advice; the phone number is given. Our research suggests that zone 7b is right on the line of survivability and success, so rather than recommend any particular care, call the coop extension. Here’s another page for the service: https://www.ces.ncsu.edu/ Good luck!