Pencil Cactus - pruning
I have a large (12 foot or so) pencil cactus/pencil plant that got caught in our last freeze. Most of the smallest branches are now brown and look dead. However at the tips of 2 of the big trunks there is a bit of new greenery so the plant is still apparently alive.
Should I cut off all of the little dead "fingers" or just cut back the whole branch? Should I cut the whole plant (including the branches with the "green") back to a given size?
We are having another serious freeze tonight and I want to bring the plant into the house and it has to be cut back just for that.
Any help appreciated.