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barbaraincalif

Availability of 5 needle pines grafted onto 2 needle rootstock?

barbaraincalif
9 years ago

While reviewing how my conifers fared this year both in the ground and in containers it quickly became clear that the 5 needle pines, specifically P. strobus and P. parviflora, had the highest rate of mortality. Although there isn't any evidence beyond a mass of dead roots, I put most of the blame on the inadaptability of Pinus strobus rootstock.

Is anyone grafting these 5 needle pines onto more tolerant rootstock, especially 2 needle pines? If so, are they available for sale so that I may try growing them in my irrigated Mediterranean climate area of California?

Many thanks,
Barbara

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