Growing Oca

I've previously proposed that Oca makes a good bicrop partner for outdoor cordon-grown tomatoes. This has been based on...  ...er, the ...

Arracacha (Arracacia xanthorrhiza)... may require some introduction. It's a high-yielding starchy root-crop popular in southern Brazil, ...

Drat the BBC weather forecast! 4ºC was the forecasted minimum last night.  I believed them, but they got it wrong. The Oca bed looks pretty...