Planting Depth
Problems with stone fruits in Pennsylvania have been attributed to setting the bud union 6 to 10 inches below ground. Because many sites have limited topsoil, trees may be planted too deep for optimal growth. At the lower depths oxygen is inadequate for root growth. Rootstocks used for stone fruits are normally propagated by seeds and thus are anatomically true root tissues. The aboveground portions of stone fruit rootstocks cannot form roots. Therefore, trees should be planted at the same level they were in the nursery.
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