I agree with Hetty, but I draw the line at 12". IF you cut a long branch(es) into more than one section, be sure to mark the end that will be rooted. After a day or more of callusing, both ends will look the same. Ask me how I know.
drdawg (Dr. Kenneth Ramsey)
The reason it's so hard to lose weight when you get up in age is because your body and your fat have become good friends.