Yes, but do you find gators where there is a "dead of winter"?
To me, it means you've already gone below zero (US zero, not simply freezing) several times, and there is a bunch of snow. You are going to have to know the plants, and hope you can fish/hunt/trap. Of the ravens get a snack in April when you thaw. *laughs*
That is why you prepare with proper supplies and communicate your intentions to others, while carrying signals and fire and shelter making gear.
If it gets that cold here in DFW, the people will think it is TEOTWAWKI for sure. I just put the shorts up in the last two weeks. We all have to prep for where we are. I remember winter training at Ft. Drum NY thinking I would be in deep doodoo if I had to forage without being able to hunt/trap/fish. It was hard enough finding the ground under the snow to build a fire, much less find edibles.