A Raised Bed for an Apple

The part about Geneva being better on poorly drained soils.

You are probably right. The Geneva rootstock table does say they are tolerant of Phytophthora crown and root rots. http://www.ctl.cornell.edu/plants/GENEVA-Apple-Rootstocks-Comparison-Chart.pdf

106 is well know to suffer collar rot issues in wet soils, but I believe it is still the most productive rootstock in its vigor level (in soils with good drainage), although I don’t really keep up with rootstocks not readily available. I don’t buy my trees from Cummins and they seem the only reliable source for the Cornell rootstocks.

111 is my go to for a reliable and available rootstock.

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