I just wrapped the cut ends with buddy tape and stuck them in potting mix (about half of them) or right in the ground outside, both of the batches March-April. We had a very rainy, cold spring, and they didn’t sprout for a few months, but all that rain kept them from drying out I guess. My only failure was one that I stuck in the soil upside down, actually.
Here’s what the potted ones looked like:
I separated them in late summer/early fall. Here’s an example of the outdoor ones: