About a month ago I started air layering a branch of one of my Japanese maples.
I had no idea how long that'd take, and didn't know how long to wait before I could peek, but it got taken out of my hands.
Yesterday we had rain and wind, and apparently that made the top of the shoot too heavy, and it broke. Now, it broke where I'd cut into the wood and would have cut the top part off - after there'd been enough roots to plant it somewhere.
So, well, time to check how it's doing.
That's some callus there, and one little white root poking to the right. Though there were the beginnings of a few more just visible. (That's my thumbnail at the bottom, for scale.)
So I cut it back a good deal so there aren't so many leaves from which water evaporates, stuck it into a pot with more of the seed and cutting soil (the end is a way under the surface, so the poor little stick won't fall over), and wait.
I put a freezer bag over the whole thing to keep the air around it humid, and put it in a place without direct sun so in its mini greenhouse it won't burn up. I figure the chances are better than with a plain cutting, since there are already roots starting to grow, whose tips presumably can absorb water and nutrients as they should, but we'll see.
Anyway, the principle works, so one of those days I'll start on one of the dissectum varieties. (wikipedia photo, for the curious.)