P1000680 January 18, 2021 600 × 744 Tubers and roots; December 2020 Oca (Oxalis tuberosa) harvest on 24th December 2020; I still have two varieties, a red and a yellow, grown in pots and then brought inside to tuberise (I usually grow under lights, but this year without lights I got a similar yield). Optimized print or PDF