Thanks for all your comments. I have made soup with them myself as part of a dinner party and everyone thought it was delicious AND I had no complaints about adverse effects! Thanks especially to Obelixx - from what you said it looks like they will not survive our winters here in the Alps! However, I will plant some in the garden, harvest most before the winter and see what happens to those that get left in the ground! I will also put a few in pots.
Maybe they'll be OK. Your garden presumably benefits form an insulating layer of thick snow whereas mine rarely did in Belgium. -15C for at least 3 dry, snowless weeks most winters in Jan or Feb and worse some years. That gets deep into the soil.
Vendée - 20kms from Atlantic coast.
"The price good men (and women) pay for indifference to public affairs is to be ruled by evil men (and women)."
You could be right! The garlic I planted last autumn has survived the winter and seems ok after an especially long winter this year. Perhaps you are right that it was the snow that protected it! We had temperatures down to minus 21 for about a week.
I have about 50 foot of Jureslum artichokes along a fence as a wind brake at Allotment Dig a few up to eat , sometimes there are after effects ie. wind However , I do cut them down each year
Jerusalem artichokes seem to be very much in vogue in the plethora of cookery programs on TV. at the moment. A while back you never heard them mentioned but now it is all artichokes or artichoke puree with everything, and very nice to.
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Thanks especially to Obelixx - from what you said it looks like they will not survive our winters here in the Alps! However, I will plant some in the garden, harvest most before the winter and see what happens to those that get left in the ground! I will also put a few in pots.
Dig a few up to eat , sometimes there are after effects ie. wind
However , I do cut them down each year