RE: Food Source - late season......??
Atlas's Applies[8D]
Acorn's is a good bet
BeechNuts
A late season food plot is great, but I do not think it gets cold enough in your parts.
Rape seed is great, deer will not touch it until it freezes.
I hit the woods and find where the acorns are, once the corn and soybeans are gone the deer should be there.