Beets (not pickled) are low acid--they will need pressure, not just a water bath.
http://nchfp.uga.edu/how/can_04/beets.html
They can be frozen, but I don't know what the resultant texture would be.
http://nchfp.uga.edu/how/freeze/beet.html
Last edited by AngeliaNR; 07-01-2014 at 06:38 PM.