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oca - how to hill up?

Posted by growingdreams z9 SF Bay Area (My Page) on
Sat, Jun 2, 12 at 21:47

I'm trying oca (oxalis tuberosa) for the first time this year. I've seen advice that they will produce more if they are hilled up. But, I haven't found any specifics about how to do that.

There's lots of information about hilling up potatoes, but the oca plants have a very different structure with multiple stems and many small leaves at different heights. If I put soil around them I will be burying many of the leaves. Is that OK?

Thanks for any advice!

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RE: oca - how to hill up?

I wouldn't bury the foliage. Try using something like sand that will sift or filter through the foliage. I would do it gradually, over the course of a few weeks so it doesn't smother the plant. They're a lot more delicate than potatoes. I tried growing it, but it doesn't make tubers here before it freezes.

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