salix

They will be fine inside until they root, and just fine with the rooting hormone, and you may even want to keep them in through the winter, as the new roots will be pretty tender. I'm sure someone will correct me on this if I'm about to be wrong, but my plan with my cutting is to let it do its root growth indoors this winter, then move it outdoors in the spring to take advantage of an artificially long growing season. Come the following winter, I'l be ready to allow dormancy as usual.

I don't know if you're feeling that experimental, but that's what I'm trying. As long as they don't dry out or freeze hard when young, willows are pretty tolerant of noodling...