Now that there were enough hard freezes to kill off most of the tops I dug mine today. Despite the drought I got a decent number of roots. Tomorrow is peel and grind it, add a little vinegar and salt(to taste) then into 1/2 pint jars and the freezer. Gets HOTTER while in the freezer!
Debated dehydrating some for horseradish powder, maybe a substitute for black pepper is peppercorns get hard to get...