I’m trying this route, and have 1 year old seedlings I’m waiting to see if they grow vigorously enough this season to flower here. I know they like summer heat, though, so that could be a problem. If you ever happen to be up by Seattle I’d be happy to share a couple with you, assuming they all wake up this spring I’ll have more than I need.
My seeds were from @JeremiahT, which he describes here with photos:
And I posted some photos of mine in the fall before they died back: