Thanks for the link. When will you be planting your seeds?
I started artichoke seeds indoors last year and the roots were insane! I think I'm going to try the root trainer pots that I start trees in this time. It's really warm here this year so I think I'm going to start them in the next week or two and just bring them in if it gets too cold. At the end of March I can put them in the soil though.