I bought some oca tubers in spring and planted it into a pot because the bed was not ready. It's autumn here and getting colder - we're getting frosts to -5°C. What should I do with the oca? I would have a place now but this might be the wrong season to put the plant into the ground.
Oca is cold sensitive. I would lift them out, pop them in a paper bag and store some where cool and dark ready to plant out in spring.
Some of the ones I planted overwintered in their bed (I thought I had them all!) and re-grew the next year. However we don't usually get really bad frosts here in N.Ireland. I doubt they'll have survived winter past.
I was disappointed with their harvest though. Small and fiddly. And kids weren't so keen on them. So I've stopped growing them. Spuds do much better here!