Jerusalem Artichokes

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Jerusalem Artichokes

Postby PatsyMFagan » October 7th, 2019, 8:44 am

artichoke3.jpg


A friend of mine has what she calls Triffids growing at the bottom of her garden. They come up every year and my immediate thought was that they are Jerusalem Artichokes … a later search on the PlantNet app confirms this. However, my friend says that the tubers are very small and purple, not at all like the tubers that are sold to eat. Is there a best time to harvest (like leaving potatoes in the ground until they are ready ? If these aren't Jerusalem Artichokes, could they be anything else ?
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Re: Jerusalem Artichokes

Postby Herbidacious » October 7th, 2019, 9:18 am

What lovely flowers!

Sorry I have never grown them but there is some useful info here:

https://www.growveg.co.uk/guides/growin ... rtichokes/

It says when the plants have died back late autyumn/winter. So soonish.
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Re: Jerusalem Artichokes

Postby Herbidacious » October 7th, 2019, 9:22 am

Reading around a bit, it could be another type of sunflower. (I didn't know that Jerusalem artichoke plants were a type of sunflower...) I don't think sunflowers are toxic (although don't take my word for it), but might not taste nice if it's not a JA.
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Re: Jerusalem Artichokes

Postby suffolk » October 7th, 2019, 2:20 pm

There are several perennial helianthus of which Jerusalem artichokes are one

https://www.thespruce.com/perennial-sunflowers-4125539

Some of them produce small tubers.
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Re: Jerusalem Artichokes

Postby Herbidacious » October 7th, 2019, 2:46 pm

You put that so much better (and more precisely) than me, Suffs :D
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Re: Jerusalem Artichokes

Postby Suelle » October 7th, 2019, 3:39 pm

Herbidacious wrote:What lovely flowers!

Sorry I have never grown them but there is some useful info here:

https://www.growveg.co.uk/guides/growin ... rtichokes/

It says when the plants have died back late autyumn/winter. So soonish.


Some useful tips there that I hadn't read before. I'm growing a few for the first time this year, but have cut them back to discourage flowering and stop them tipping over.
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Re: Jerusalem Artichokes

Postby suffolk » October 7th, 2019, 5:18 pm

The plants in the photo don't look tall or robust enough for Jerusalem Artichokes to me. When I grew them they were at least 7 ft tall and quite robust with stiff self-supporting stems ... and mine only had tiny flowers. The ones in the pic look too floriferous to be artichokes IMHO

This is a good video about growing them

https://www.youtube.com/watch?v=Io-eqRiMdD4
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Re: Jerusalem Artichokes

Postby PatsyMFagan » October 8th, 2019, 9:55 am

Suffs, most of these had flopped over … I couldn't get a pic of one standing upright, but quite tall … I knew JA's were tall, having seen them in the veg garden at Wisley .. I will do more research .. they actually looked lovely where they are growing, with the GU Canal behind them and I don't even much like yellow flowers :rolleyes:
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Re: Jerusalem Artichokes

Postby Seatallan » October 8th, 2019, 10:57 am

Are they not Rudbekia?
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Re: Jerusalem Artichokes

Postby PatsyMFagan » October 8th, 2019, 10:59 am

The flowers look exactly like those in the article Herbi linked to .. just not so abundant.
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