i guess that depends on how cold they got. i've seen wheat and corn volunteer after laying on the ground all winter, so in my experience they can tolerate some freezing. u could do a germination test on them to make sure.
Thanks for the answers. I was thinking about freezing seed to kill bugs and use the seed, ground, for food (flour and cornmeal), but I also wanted to keep some to plant the next spring. Looks like that will work.
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