It hasn't had a pot for 2 years, just sits on the pebbles in that glass vase, bare root. It had potting soil around it when we got it, and so I just rinsed that off, and put it in the vase with the pebbles instead. It's been happy like that for 2 years, and bloomed a couple of times too.
I'll keep flooding it and letting it soak for another day or two, hope those poor p-bulbs recover.