Name: tarev San Joaquin County, CA (Zone 9b) Give PEACE a chance!
I think you can do that, but not during winter. Plumie cuttings are asleep and if there are any rooted ones right now, they may be on a slowdown, so I do not think it is right timing. Maybe when you repot in Spring, you can experiment with it. But I will let the cutting sleep for now.