My check out my facebook page:
http://www.facebook.com/pages/Blakes-Farm/182430128478375?ref=hl
Step 1... Let frost kill growth then cut down to a height of 6 inches
Step 2... Dig up, leave some soil on roots
Step 3... Store in a cool dark place overwinter
Step 4... Hope for the best : )
Heres a good site to check out:
http://www.emilycompost.com/elephant_ear.htm