That's great, glad to hear they are doing so good. When I potted mine I made sure the dirt was slightly higher that the edge of the pot for drainage. I've got them against the front of my house facing SW so they get afternoon sun. They are under the roof eve which sticks out a pretty good distance so they are sheltered. I have a few showing signs of life but none of them are showings signs of death.
I'll leave the sprinkling question to our pot experts, this is my first year too so I am clueless. But I can say that I've had this happen with a couple of the ones in the ground and I leave them alone. I have one that is totally out of the ground. This one is my 'experiment' I mentioned last Fall when I asked how long can you leave a rhizome unplanted.
Thanks for getting back to me and Blessings to you and yours.
