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["Lon J. Rombough" <lonrom@hevanet.com>]

FWIW, I've grafted dormant kiwi scions to green, growing shoots with complete success and no bleeding.  The green shoots don't bleed.
-Lon Rombough
Grapes, writing, consulting, my book, The Grape Grower, at http://www.bunchgrapes.com  Winner of the Garden Writers Association "Best Talent in Writing" award for 2003.
On Jan 11, 2007, at 10:05 AM, Hal Love wrote:

Mark,
 
Scionwood is taken during winter from dormant vines and kept refrigerated until used. Well-ripened wood from the previous season is best, but older wood can also be used. Actinidia are similar to grapes, in that the old wood will bleed profusely in spring, making it difficult to graft then. You can graft in late winter or early spring on old wood before or after signs of growth, but the cuts at this time will bleed badly. You can try making a pressure release cut below the graft site to allow the sap to flow out, but I wait and graft to green or semi-green new growth in mid spring to early summer. This growth does not bleed and the graft takes off very quickly due to the warm temperatures at this time. Old wood will also work better by late spring, since the bleeding is much less after the rampant spring growth settles down.
 
Since I usually receive cuttings in winter, I often graft to a small potted plant indoors to get a head start. With a small plant, the bleeding has never been an issue, and I graft right onto the old wood once the plant starts growing. This way, I can have a new plant ready to move outside when it gets warm enough to plant, but before it gets too hot. I typically use A. chinensis seedlings as the rootstock, both indoors and outside.
 
Hal