Interesting! You must have such a different climate compared to mine. Here in Tennessee in March it is NOT a good time to do that, since our Spring has already begun.
That resource looks very helpful--I liked this illustration:
Happy pruning and best wishes for your next
gardening season!
“If we are honest, we can still love what we are, we can find all the good there is to find, and we may find ways to enhance that good, and to find a new kind of living world which is appropriate for our time.” ― Christopher Alexander