Oca: Sowing, planting and harvest calendar
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F
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A
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O
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Planting
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Harvest
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How do you plant oca?
Plant healthy tubers rather than sowing seeds. You can start them individually in pots in spring in a bright, frost-free place. Harden plants off gradually and move them outside after the last frosts.
Choose loose, well-drained soil in sun. For direct planting, cover tubers with a few centimetres of soil. Allow about 30–40cm between plants and 60cm between rows, adjusting to your variety's growth.
Water after planting and then as needed. In containers, use a large pot with drainage and monitor moisture more closely. Match feeding to your soil; deep digging and routine fertiliser are unnecessary.
How to care for this plant
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Earth up plants
Once your oca stems are well developed and spreading, draw loose soil around their bases to encourage rooting and tuber formation. Do not cover all the foliage or work waterlogged soil.
When do you harvest oca?
