I never did get Datil peppers to make any comparisons. I started these plants way too late in the season. By the time the plants were big enough to start flowering the Texas heat had already set in not allowing them to set any fruit. The Ebay Datil did try hard and set 1 decent pod but then...
I put plants in the shed when it gets really cold. A milkbox heater at the lowest setting (freeze protection) will keep my wife's ivys, money tree and other plants alive.
Hey neighbor! I've overwintered a couple plants and found it was more trouble than it's worth. When you bring plants in from outside it always invites trouble, that's been my experience anyway. If the plant is in the ground cut it down to the base and put a pile of leaves on top until spring...