We can't overwinter them here in Zone 5, but it is nice you can in B.C. A variety called Imperial Star had the potential to produce artichokes if you trick them into thinking they had been thru a winter by starting early and giving them some time outside at 50 degrees, then back inside.
The same breeder introduced a new annual type artichoke called Colorado Star. The poster I referenced was trialing it. I was interested in how the harvest went on this new introduction for us in Zone 5 and below.
- Lisa
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