Yacón Harvest, Part One

Last week we had a couple of frosty nights and down on Plot #59 I spotted that our Yacón plants were feeling the effects:

November 2017 frosted Yacon plants
When the temperature drops and the foliage dies, it’s time to check for Yacón tubers.

With the frost starting to kill off the leaves and stems, and not much more photosynthesis in prospect, that meant the tubers would probably be as large as they were likely to grow. So I trimmed back the top growth and carefully up-ended the first of three pots to see what, if anything, the plant had produced. I was very happy indeed to find the following:

November 2017 - harvested Yacon
That’s not a bad yield at all for a single plant and a first attempt.

A few years ago, veg pioneer Mark Diacono wrote a piece on growing, harvesting and cooking Yacón for The Guardian, which explains what happens next. The larger, ‘storage’ tubers are detached from the plant and left for a couple of weeks to sweeten. The smaller, Jerusalem artichoke-like ‘growth’ tubers are the essential part of the crown that needs to be packed in moist, spent compost and stored in a cool, dark place over the winter. It’s the same sort of procedure as you might use to store a Dahlia crown.

They’re very easy to tell apart, as you can see:

November 2017 Yacon tubers
The Yacon develops two kinds of tubers; edible ‘storage’ and next year’s ‘growth’ tubers.

With the large tubers detached and sweetening, and the crown carefully packed away for winter, the next stage will be to cook ’em, eat ’em and see if Jo and I actually like ’em or not. (I did try a small piece raw on the spot and it was rather like a juicy radish / sweet chestnut, so I’m probably a fan already). Then then there are two more tubs to come. Apparently the large tubers store really well, so either we’ll be eating them for weeks and months to come, or my colleagues on the Ordsall Hall gardening team will be getting a few more Yacón tubers to try than they’ve been led to expect.

How about you? Have you grown Yacón before? Do you have any top tips for storing crowns or cooking the tubers? Please do let me know, via the comments.

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