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Cold Hardy Citrus / Re: Does the changsha manderine make a good root stock for other citrus?
« on: December 27, 2020, 10:24:36 PM »
Couple of years ago, I topped worked a mature Changsha with bark-grafts to a Cara Cara orange. Also I parked some Pummelo grafts on two other large Changsha trees. Grafting rate was pretty high and growth seems on par with my other citrus trees. The Cara Cara fruit seems to be same quality as my Cara Cara on trifoliate. It's only been down to 21deg since the grafting, so can not comment on cold protection of Changsha vs trifoliate or sour orange. The Changsha trees I parked the Pummelo on will be completely topworked once I have enough Pummelo budwood.