> I'm growing Jerusalem Artichokes for the 3rd straight year. The 1st
> year I planted tubers obtained from mail order. I had a good yield with
> a lot of LARGE tubers to eat. I left a good number in the ground for
> last year, but the crop was a lot smaller and the tubers were, overall,
> a lot smaller.
I think that may be one of your problems. While Jerusalem Artichokes
will do fine if left in the ground over winter, you may find that they
have used up all the nutrients available to them in that one area.
Also, if they are crowded, the tubers will be smaller (just like any
other root crop).
I've never heard of cutting the flowers off, but I know doing that to
flowering bulbs is supposed to strengthen the bulb, so I don't see why
it shouldn't work. As long as you cut them off before they start to set
seed, it should be beneficial.
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