choosing vigorous branches, then in early August, making a stab incision through the limb, in the previous year's growth, just below where growth initiated this year, inserting a toothpick into the incision to hold it open, then cutting
just below the incision in Oct-January, dipping in rooting hormone and
lining out in a cold-frame. *Supposedly* this will work for almost any
hardwood or evergreen, with relatively high success rates. Based on the
idea that cuttings must callus before they will root - the wound you create
in August has a chance to begin callusing before the tree shuts down for the winter, and then the cuttings get a chance to initiate root formation before spring.
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