It is from seed. Any drop below 50 degrees Fahrenheit cover it, but since temps ping pong in Sfl that means I am have to cover and unconver I about 5-6 times a winter.
Last year I had a far less professional operation than I will this year, the tree got beat up but made it through with out die back. This year once the poles are up it's gonna get a perfect enclosure with a space heater and everything.