Russian Inferno is an asiatic hardneck and the Siberian is a marbled purple stripe hardneck. It was a test to see if vernalization would make it easier to grow a hardneck down here in softneck territory.
This is where I got them last fall:
https://keeneorganics.com/product/ru...-garlic-bulbs/
https://keeneorganics.com/product/si...-garlic-bulbs/