Out of 12 seeds that came in the packet, I ended up with 5 healthy plants. Out of five healthy plants, one produced an artichoke. (actually it produced two, but the other was so dinky, i'm not counting it.) I debated whether to pick and eat the artichoke or not, but it wasn't huge, and there was only one, and if I picked it and ate it my kids would want some, and I decided it wasn't worth it, besides I'd heard they have beautiful blossoms, so maybe it would be better to just leave it. (phew, sorry about that rambling)
I'm glad I did, the flower IS beautiful. I'll try to save some seeds to start again this winter. I'm also planning on cutting the plants back, covering them with leaves and plastic and hoping against hope that they somehow survive the winter and REALLY produce some artichokes next year!