You can clone a branch before you cut it off.... What you do is strip off a leaf about 4-6 nodes from the tip of the selected branch. Use a clean blade and remove a little of the stems outer surface. While the branch is still on the plant, take a soaked rapid rooter and make a slit down the side, deep enough to reach the middle. Dab the inside with rooter gel and wrap the rapid rooter around the stalk, covering the spot you skinned. Use a rubber band or a long twist tie to secure it, and then cover the rooter with black plastic, preferably misting the inside first and gently secure it around the rapid rooter to maintain moisture.
In 10-14 days, you can gently remove the plastic and you should see roots coming out of the rapid rooter. At this time, cut the branch right below the rooter and plant your new clone. This is the best on site cloning method I know of so far. Because the clone is grafted from an outdoor plant, there will be no need to harden it before planting outside.